73425312 has 96 divisors (see below), whose sum is σ = 226800000. Its totient is φ = 23030784.

The previous prime is 73425311. The next prime is 73425349. The reversal of 73425312 is 21352437.

73425312 is a `hidden beast` number, since 7 + 342 + 5 + 312 = 666.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (73425311) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12189 + ... + 17187.

It is an arithmetic number, because the mean of its divisors is an integer number (2362500).

Almost surely, 2^73425312 is an apocalyptic number.

73425312 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 73425312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (113400000).

73425312 is an abundant number, since it is smaller than the sum of its proper divisors (153374688).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

73425312 is a wasteful number, since it uses less digits than its factorization.

73425312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5035 (or 5021 counting only the distinct ones).

The product of its digits is 5040, while the sum is 27.

The square root of 73425312 is about 8568.8570999871. The cubic root of 73425312 is about 418.7440028249.

Adding to 73425312 its reverse (21352437), we get a palindrome (94777749).

It can be divided in two parts, 73425 and 312, that added together give a palindrome (73737).

The spelling of 73425312 in words is "seventy-three million, four hundred twenty-five thousand, three hundred twelve".