72606501 has 12 divisors (see below), whose sum is σ = 114410400. Its totient is φ = 44003880.

The previous prime is 72606497. The next prime is 72606503. The reversal of 72606501 is 10560627.

72606501 is a `hidden beast` number, since 7 + 2 + 6 + 0 + 650 + 1 = 666.

It is not a de Polignac number, because 72606501 - 2² = 72606497 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72606503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 366601 + ... + 366798.

It is an arithmetic number, because the mean of its divisors is an integer number (9534200).

Almost surely, 2^72606501 is an apocalyptic number.

It is an amenable number.

72606501 is a deficient number, since it is larger than the sum of its proper divisors (41803899).

72606501 is a wasteful number, since it uses less digits than its factorization.

72606501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 733416 (or 733413 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 72606501 is about 8520.9448419762. The cubic root of 72606501 is about 417.1816230035.

The spelling of 72606501 in words is "seventy-two million, six hundred six thousand, five hundred one".