72365410 has 32 divisors (see below), whose sum is σ = 143709552. Its totient is φ = 26065920.

The previous prime is 72365399. The next prime is 72365441. The reversal of 72365410 is 1456327.

It can be written as a sum of positive squares in 8 ways, for example, as 18826921 + 53538489 = 4339^2 + 7317^2 .

It is an alternating number because its digits alternate between odd and even.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1459 + ... + 12118.

Almost surely, 2^72365410 is an apocalyptic number.

72365410 is a deficient number, since it is larger than the sum of its proper divisors (71344142).

72365410 is a wasteful number, since it uses less digits than its factorization.

72365410 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13638.

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 72365410 is about 8506.7861146264. The cubic root of 72365410 is about 416.7193583141.

The spelling of 72365410 in words is "seventy-two million, three hundred sixty-five thousand, four hundred ten".