72527767 has 8 divisors (see below), whose sum is σ = 79096640. Its totient is φ = 66100320.

The previous prime is 72527743. The next prime is 72527779. The reversal of 72527767 is 76772527.

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

It is not a de Polignac number, because 72527767 - 2⁷ = 72527639 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 (72527737) 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, 34284 + ... + 36337.

It is an arithmetic number, because the mean of its divisors is an integer number (9887080).

Almost surely, 2^72527767 is an apocalyptic number.

72527767 is a deficient number, since it is larger than the sum of its proper divisors (6568873).

72527767 is a wasteful number, since it uses less digits than its factorization.

72527767 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70713.

The product of its digits is 288120, while the sum is 43.

The square root of 72527767 is about 8516.3235612558. The cubic root of 72527767 is about 417.0307721504.

The spelling of 72527767 in words is "seventy-two million, five hundred twenty-seven thousand, seven hundred sixty-seven".