72535246 has 16 divisors (see below), whose sum is σ = 124750944. Its totient is φ = 30985344.

The previous prime is 72535219. The next prime is 72535279. The reversal of 72535246 is 64253527.

It is a super-2 number, since 2×72535246² = 10522723824561032, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 3895 + ... + 12658.

It is an arithmetic number, because the mean of its divisors is an integer number (7796934).

Almost surely, 2^72535246 is an apocalyptic number.

72535246 is a deficient number, since it is larger than the sum of its proper divisors (52215698).

72535246 is a wasteful number, since it uses less digits than its factorization.

72535246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16875.

The product of its digits is 50400, while the sum is 34.

The square root of 72535246 is about 8516.7626478610. The cubic root of 72535246 is about 417.0451062740.

The spelling of 72535246 in words is "seventy-two million, five hundred thirty-five thousand, two hundred forty-six".