73940512 has 24 divisors (see below), whose sum is σ = 148320396. Its totient is φ = 36271872.

The previous prime is 73940509. The next prime is 73940513. The reversal of 73940512 is 21504937.

It can be written as a sum of positive squares in 2 ways, for example, as 69956496 + 3984016 = 8364^2 + 1996^2 .

It is not an unprimeable number, because it can be changed into a prime (73940513) 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, 20103 + ... + 23494.

Almost surely, 2^73940512 is an apocalyptic number.

It is an amenable number.

73940512 is an abundant number, since it is smaller than the sum of its proper divisors (74379884).

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

73940512 is a wasteful number, since it uses less digits than its factorization.

73940512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43660 (or 43652 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 73940512 is about 8598.8669020982. The cubic root of 73940512 is about 419.7211149335.

The spelling of 73940512 in words is "seventy-three million, nine hundred forty thousand, five hundred twelve".