72927616 has 16 divisors (see below), whose sum is σ = 145285740. Its totient is φ = 36463744.

The previous prime is 72927611. The next prime is 72927623. The reversal of 72927616 is 61672927.

It is a tau number, because it is divible by the number of its divisors (16).

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72927611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 284746 + ... + 285001.

Almost surely, 2^72927616 is an apocalyptic number.

It is an amenable number.

72927616 is a deficient number, since it is larger than the sum of its proper divisors (72358124).

72927616 is an equidigital number, since it uses as much as digits as its factorization.

72927616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 569761 (or 569749 counting only the distinct ones).

The product of its digits is 63504, while the sum is 40.

The square root of 72927616 is about 8539.7667415451. The cubic root of 72927616 is about 417.7957382081.

The spelling of 72927616 in words is "seventy-two million, nine hundred twenty-seven thousand, six hundred sixteen".