72408860 has 12 divisors (see below), whose sum is σ = 152058648. Its totient is φ = 28963536.

The previous prime is 72408857. The next prime is 72408863. The reversal of 72408860 is 6880427.

It is an interprime number because it is at equal distance from previous prime (72408857) and next prime (72408863).

It is a self number, because there is not a number n which added to its sum of digits gives 72408860.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72408863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1810202 + ... + 1810241.

It is an arithmetic number, because the mean of its divisors is an integer number (12671554).

Almost surely, 2^72408860 is an apocalyptic number.

It is an amenable number.

72408860 is an abundant number, since it is smaller than the sum of its proper divisors (79649788).

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

72408860 is a wasteful number, since it uses less digits than its factorization.

72408860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3620452 (or 3620450 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 35.

The square root of 72408860 is about 8509.3395748436. The cubic root of 72408860 is about 416.8027445317.

The spelling of 72408860 in words is "seventy-two million, four hundred eight thousand, eight hundred sixty".