72463320 has 48 divisors (see below), whose sum is σ = 235506960. Its totient is φ = 19323456.

The previous prime is 72463267. The next prime is 72463327. The reversal of 72463320 is 2336427.

72463320 is a `hidden beast` number, since 7 + 2 + 4 + 633 + 20 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72463327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 100284 + ... + 101003.

It is an arithmetic number, because the mean of its divisors is an integer number (4906395).

Almost surely, 2^72463320 is an apocalyptic number.

It is an amenable number.

72463320 is an abundant number, since it is smaller than the sum of its proper divisors (163043640).

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

72463320 is a wasteful number, since it uses less digits than its factorization.

72463320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201304 (or 201297 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 27.

The square root of 72463320 is about 8512.5389866949. The cubic root of 72463320 is about 416.9072132806.

Adding to 72463320 its reverse (2336427), we get a palindrome (74799747).

The spelling of 72463320 in words is "seventy-two million, four hundred sixty-three thousand, three hundred twenty".