72596340 has 72 divisors (see below), whose sum is σ = 231809760. Its totient is φ = 18339264.

The previous prime is 72596323. The next prime is 72596351. The reversal of 72596340 is 4369527.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 72596295 and 72596304.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7194 + ... + 14033.

It is an arithmetic number, because the mean of its divisors is an integer number (3219580).

Almost surely, 2^72596340 is an apocalyptic number.

It is an amenable number.

72596340 is an abundant number, since it is smaller than the sum of its proper divisors (159213420).

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

72596340 is a wasteful number, since it uses less digits than its factorization.

72596340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21261 (or 21256 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 36.

The square root of 72596340 is about 8520.3485844184. The cubic root of 72596340 is about 417.1621611088.

The spelling of 72596340 in words is "seventy-two million, five hundred ninety-six thousand, three hundred forty".