72632769 has 8 divisors (see below), whose sum is σ = 105647712. Its totient is φ = 44019840.

The previous prime is 72632759. The next prime is 72632797. The reversal of 72632769 is 96723627.

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

It is not a de Polignac number, because 72632769 - 2⁸ = 72632513 is a prime.

It is a super-2 number, since 2×72632769² = 10551038265214722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 72632769.

It is not an unprimeable number, because it can be changed into a prime (72632759) 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, 1100464 + ... + 1100529.

It is an arithmetic number, because the mean of its divisors is an integer number (13205964).

Almost surely, 2^72632769 is an apocalyptic number.

It is an amenable number.

72632769 is a deficient number, since it is larger than the sum of its proper divisors (33014943).

72632769 is a wasteful number, since it uses less digits than its factorization.

72632769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2201007.

The product of its digits is 190512, while the sum is 42.

The square root of 72632769 is about 8522.4860809508. The cubic root of 72632769 is about 417.2319270646.

The spelling of 72632769 in words is "seventy-two million, six hundred thirty-two thousand, seven hundred sixty-nine".