72585814 has 16 divisors (see below), whose sum is σ = 130982400. Its totient is φ = 29470824.

The previous prime is 72585809. The next prime is 72585827. The reversal of 72585814 is 41858527.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 136174 + ... + 136705.

It is an arithmetic number, because the mean of its divisors is an integer number (8186400).

Almost surely, 2^72585814 is an apocalyptic number.

72585814 is a deficient number, since it is larger than the sum of its proper divisors (58396586).

72585814 is a wasteful number, since it uses less digits than its factorization.

72585814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272907.

The product of its digits is 89600, while the sum is 40.

The square root of 72585814 is about 8519.7308642938. The cubic root of 72585814 is about 417.1419981954.

The spelling of 72585814 in words is "seventy-two million, five hundred eighty-five thousand, eight hundred fourteen".