72612063 has 12 divisors (see below), whose sum is σ = 105383928. Its totient is φ = 48177360.

The previous prime is 72612047. The next prime is 72612073. The reversal of 72612063 is 36021627.

It is a happy number.

It is not a de Polignac number, because 72612063 - 2⁴ = 72612047 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72612073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17220 + ... + 21017.

It is an arithmetic number, because the mean of its divisors is an integer number (8781994).

Almost surely, 2^72612063 is an apocalyptic number.

72612063 is a deficient number, since it is larger than the sum of its proper divisors (32771865).

72612063 is a wasteful number, since it uses less digits than its factorization.

72612063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38454 (or 38451 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 72612063 is about 8521.2712079830. The cubic root of 72612063 is about 417.1922754240.

The spelling of 72612063 in words is "seventy-two million, six hundred twelve thousand, sixty-three".