72654291 has 12 divisors (see below), whose sum is σ = 105553968. Its totient is φ = 48155184.

The previous prime is 72654269. The next prime is 72654353. The reversal of 72654291 is 19245627.

72654291 is a `hidden beast` number, since 7 + 26 + 542 + 91 = 666.

It is not a de Polignac number, because 72654291 - 2⁵ = 72654259 is a prime.

It is not an unprimeable number, because it can be changed into a prime (72654691) 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, 21775 + ... + 24888.

It is an arithmetic number, because the mean of its divisors is an integer number (8796164).

Almost surely, 2^72654291 is an apocalyptic number.

72654291 is a deficient number, since it is larger than the sum of its proper divisors (32899677).

72654291 is a wasteful number, since it uses less digits than its factorization.

72654291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46842 (or 46839 counting only the distinct ones).

The product of its digits is 30240, while the sum is 36.

The square root of 72654291 is about 8523.7486471622. The cubic root of 72654291 is about 417.2731333451.

The spelling of 72654291 in words is "seventy-two million, six hundred fifty-four thousand, two hundred ninety-one".