72535718 has 8 divisors (see below), whose sum is σ = 108879240. Its totient is φ = 36242640.

The previous prime is 72535709. The next prime is 72535739. The reversal of 72535718 is 81753527.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×72535718² = 10522860771551048, 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 3 ways as a sum of consecutive naturals, for example, 8783 + ... + 14906.

It is an arithmetic number, because the mean of its divisors is an integer number (13609905).

Almost surely, 2^72535718 is an apocalyptic number.

72535718 is a deficient number, since it is larger than the sum of its proper divisors (36343522).

72535718 is a wasteful number, since it uses less digits than its factorization.

72535718 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25222.

The product of its digits is 58800, while the sum is 38.

The square root of 72535718 is about 8516.7903578754. The cubic root of 72535718 is about 417.0460108681.

The spelling of 72535718 in words is "seventy-two million, five hundred thirty-five thousand, seven hundred eighteen".