72045410 has 32 divisors (see below), whose sum is σ = 132312960. Its totient is φ = 28240128.

The previous prime is 72045377. The next prime is 72045427. The reversal of 72045410 is 1454027.

It is a super-2 number, since 2×72045410² = 10381082204136200, which contains 22 as substring.

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, 116081 + ... + 116699.

It is an arithmetic number, because the mean of its divisors is an integer number (4134780).

Almost surely, 2^72045410 is an apocalyptic number.

72045410 is a deficient number, since it is larger than the sum of its proper divisors (60267550).

72045410 is a wasteful number, since it uses less digits than its factorization.

72045410 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 842.

The product of its (nonzero) digits is 1120, while the sum is 23.

The square root of 72045410 is about 8487.9567623781. The cubic root of 72045410 is about 416.1042060508.

Adding to 72045410 its reverse (1454027), we get a palindrome (73499437).

The spelling of 72045410 in words is "seventy-two million, forty-five thousand, four hundred ten".