73957152 has 24 divisors (see below), whose sum is σ = 194137776. Its totient is φ = 24652352.

The previous prime is 73957133. The next prime is 73957159. The reversal of 73957152 is 25175937.

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×73957152² = 10939320663902208, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 73957152.

It is not an unprimeable number, because it can be changed into a prime (73957159) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 385098 + ... + 385289.

It is an arithmetic number, because the mean of its divisors is an integer number (8089074).

Almost surely, 2^73957152 is an apocalyptic number.

It is an amenable number.

73957152 is an abundant number, since it is smaller than the sum of its proper divisors (120180624).

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

73957152 is a wasteful number, since it uses less digits than its factorization.

73957152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 770400 (or 770392 counting only the distinct ones).

The product of its digits is 66150, while the sum is 39.

The square root of 73957152 is about 8599.8344170106. The cubic root of 73957152 is about 419.7525980601.

The spelling of 73957152 in words is "seventy-three million, nine hundred fifty-seven thousand, one hundred fifty-two".