72885637 has 8 divisors (see below), whose sum is σ = 80519040. Its totient is φ = 65420160.

The previous prime is 72885629. The next prime is 72885641. The reversal of 72885637 is 73658827.

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

It is a cyclic number.

It is not a de Polignac number, because 72885637 - 2³ = 72885629 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72885607) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41068 + ... + 42805.

It is an arithmetic number, because the mean of its divisors is an integer number (10064880).

Almost surely, 2^72885637 is an apocalyptic number.

It is an amenable number.

72885637 is a deficient number, since it is larger than the sum of its proper divisors (7633403).

72885637 is a wasteful number, since it uses less digits than its factorization.

72885637 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83963.

The product of its digits is 564480, while the sum is 46.

The square root of 72885637 is about 8537.3085337242. The cubic root of 72885637 is about 417.7155581860.

The spelling of 72885637 in words is "seventy-two million, eight hundred eighty-five thousand, six hundred thirty-seven".