72714618 has 16 divisors (see below), whose sum is σ = 161588160. Its totient is φ = 24238188.

The previous prime is 72714617. The next prime is 72714619. The reversal of 72714618 is 81641727.

72714618 is a `hidden beast` number, since 7 + 27 + 14 + 618 = 666.

It is an interprime number because it is at equal distance from previous prime (72714617) and next prime (72714619).

It is not an unprimeable number, because it can be changed into a prime (72714617) 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 7 ways as a sum of consecutive naturals, for example, 673230 + ... + 673337.

It is an arithmetic number, because the mean of its divisors is an integer number (10099260).

Almost surely, 2^72714618 is an apocalyptic number.

72714618 is an abundant number, since it is smaller than the sum of its proper divisors (88873542).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

72714618 is a wasteful number, since it uses less digits than its factorization.

72714618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1346578 (or 1346572 counting only the distinct ones).

The product of its digits is 18816, while the sum is 36.

The square root of 72714618 is about 8527.2866727934. The cubic root of 72714618 is about 417.3885927898.

The spelling of 72714618 in words is "seventy-two million, seven hundred fourteen thousand, six hundred eighteen".