72589340 has 24 divisors (see below), whose sum is σ = 152600112. Its totient is φ = 29004800.

The previous prime is 72589331. The next prime is 72589343. The reversal of 72589340 is 4398527.

It is a junction number, because it is equal to n+sod(n) for n = 72589294 and 72589303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72589343) 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, 30887 + ... + 33153.

It is an arithmetic number, because the mean of its divisors is an integer number (6358338).

Almost surely, 2^72589340 is an apocalyptic number.

It is an amenable number.

72589340 is an abundant number, since it is smaller than the sum of its proper divisors (80010772).

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

72589340 is a wasteful number, since it uses less digits than its factorization.

72589340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3877 (or 3875 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 38.

The square root of 72589340 is about 8519.9377932001. The cubic root of 72589340 is about 417.1487525863.

The spelling of 72589340 in words is "seventy-two million, five hundred eighty-nine thousand, three hundred forty".