72667027 has 6 divisors (see below), whose sum is σ = 77193308. Its totient is φ = 68392224.

The previous prime is 72666989. The next prime is 72667079. The reversal of 72667027 is 72076627.

It is a de Polignac number, because none of the positive numbers 2^k-72667027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72667087) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 125433 + ... + 126010.

Almost surely, 2^72667027 is an apocalyptic number.

72667027 is a deficient number, since it is larger than the sum of its proper divisors (4526281).

72667027 is a wasteful number, since it uses less digits than its factorization.

72667027 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251477 (or 251460 counting only the distinct ones).

The product of its (nonzero) digits is 49392, while the sum is 37.

The square root of 72667027 is about 8524.4957035592. The cubic root of 72667027 is about 417.2975140117.

The spelling of 72667027 in words is "seventy-two million, six hundred sixty-seven thousand, twenty-seven".