72508234 has 16 divisors (see below), whose sum is σ = 114304608. Its totient is φ = 34452432.

The previous prime is 72508201. The next prime is 72508273. The reversal of 72508234 is 43280527.

It is a junction number, because it is equal to n+sod(n) for n = 72508196 and 72508205.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8212 + ... + 14575.

It is an arithmetic number, because the mean of its divisors is an integer number (7144038).

Almost surely, 2^72508234 is an apocalyptic number.

72508234 is a gapful number since it is divisible by the number (74) formed by its first and last digit.

72508234 is a deficient number, since it is larger than the sum of its proper divisors (41796374).

72508234 is a wasteful number, since it uses less digits than its factorization.

72508234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22869.

The product of its (nonzero) digits is 13440, while the sum is 31.

The square root of 72508234 is about 8515.1766863642. The cubic root of 72508234 is about 416.9933308880.

The spelling of 72508234 in words is "seventy-two million, five hundred eight thousand, two hundred thirty-four".