72639114 has 16 divisors (see below), whose sum is σ = 145410528. Its totient is φ = 24190992.

The previous prime is 72639059. The next prime is 72639131. The reversal of 72639114 is 41193627.

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, 2529 + ... + 12315.

It is an arithmetic number, because the mean of its divisors is an integer number (9088158).

Almost surely, 2^72639114 is an apocalyptic number.

72639114 is an abundant number, since it is smaller than the sum of its proper divisors (72771414).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

72639114 is a wasteful number, since it uses less digits than its factorization.

72639114 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11029.

The product of its digits is 9072, while the sum is 33.

The square root of 72639114 is about 8522.8583233561. The cubic root of 72639114 is about 417.2440761241.

The spelling of 72639114 in words is "seventy-two million, six hundred thirty-nine thousand, one hundred fourteen".