72594940 has 24 divisors (see below), whose sum is σ = 166308912. Its totient is φ = 26398080.

The previous prime is 72594919. The next prime is 72594943. The reversal of 72594940 is 4949527.

It is a junction number, because it is equal to n+sod(n) for n = 72594893 and 72594902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72594943) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 164769 + ... + 165208.

It is an arithmetic number, because the mean of its divisors is an integer number (6929538).

Almost surely, 2^72594940 is an apocalyptic number.

It is an amenable number.

72594940 is an abundant number, since it is smaller than the sum of its proper divisors (93713972).

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

72594940 is a wasteful number, since it uses less digits than its factorization.

72594940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329997 (or 329995 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 40.

The square root of 72594940 is about 8520.2664277592. The cubic root of 72594940 is about 417.1594794733.

The spelling of 72594940 in words is "seventy-two million, five hundred ninety-four thousand, nine hundred forty".