72749614 has 32 divisors (see below), whose sum is σ = 128203200. Its totient is φ = 30947616.

The previous prime is 72749609. The next prime is 72749623. The reversal of 72749614 is 41694727.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 118372 + ... + 118984.

It is an arithmetic number, because the mean of its divisors is an integer number (4006350).

Almost surely, 2^72749614 is an apocalyptic number.

72749614 is a deficient number, since it is larger than the sum of its proper divisors (55453586).

72749614 is a wasteful number, since it uses less digits than its factorization.

72749614 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 809 (or 795 counting only the distinct ones).

The product of its digits is 84672, while the sum is 40.

The square root of 72749614 is about 8529.3384268652. The cubic root of 72749614 is about 417.4555421364.

The spelling of 72749614 in words is "seventy-two million, seven hundred forty-nine thousand, six hundred fourteen".