72642411 has 12 divisors (see below), whose sum is σ = 111100392. Its totient is φ = 45579456.

The previous prime is 72642403. The next prime is 72642413. The reversal of 72642411 is 11424627.

72642411 is a `hidden beast` number, since 7 + 2 + 642 + 4 + 11 = 666.

It is not a de Polignac number, because 72642411 - 2³ = 72642403 is a prime.

It is not an unprimeable number, because it can be changed into a prime (72642413) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 237241 + ... + 237546.

It is an arithmetic number, because the mean of its divisors is an integer number (9258366).

Almost surely, 2^72642411 is an apocalyptic number.

72642411 is a deficient number, since it is larger than the sum of its proper divisors (38457981).

72642411 is a wasteful number, since it uses less digits than its factorization.

72642411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 474810 (or 474807 counting only the distinct ones).

The product of its digits is 2688, while the sum is 27.

The square root of 72642411 is about 8523.0517421872. The cubic root of 72642411 is about 417.2503887603.

The spelling of 72642411 in words is "seventy-two million, six hundred forty-two thousand, four hundred eleven".