73375520 has 96 divisors (see below), whose sum is σ = 183472128. Its totient is φ = 27675648.

The previous prime is 73375517. The next prime is 73375529. The reversal of 73375520 is 2557337.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is not an unprimeable number, because it can be changed into a prime (73375529) 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, 467282 + ... + 467438.

It is an arithmetic number, because the mean of its divisors is an integer number (1911168).

Almost surely, 2^73375520 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 73375520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91736064).

73375520 is an abundant number, since it is smaller than the sum of its proper divisors (110096608).

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

73375520 is a wasteful number, since it uses less digits than its factorization.

73375520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322 (or 314 counting only the distinct ones).

The product of its (nonzero) digits is 22050, while the sum is 32.

The square root of 73375520 is about 8565.9512022892. The cubic root of 73375520 is about 418.6493269535.

The spelling of 73375520 in words is "seventy-three million, three hundred seventy-five thousand, five hundred twenty".