72741008 has 20 divisors (see below), whose sum is σ = 142334268. Its totient is φ = 36009600.

The previous prime is 72740981. The next prime is 72741037. The reversal of 72741008 is 80014727.

It can be written as a sum of positive squares in 2 ways, for example, as 35188624 + 37552384 = 5932^2 + 6128^2 .

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 3 ways as a sum of consecutive naturals, for example, 20891 + ... + 24122.

Almost surely, 2^72741008 is an apocalyptic number.

It is an amenable number.

72741008 is a deficient number, since it is larger than the sum of its proper divisors (69593260).

72741008 is a wasteful number, since it uses less digits than its factorization.

72741008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45122 (or 45116 counting only the distinct ones).

The product of its (nonzero) digits is 3136, while the sum is 29.

The square root of 72741008 is about 8528.8339179515. The cubic root of 72741008 is about 417.4390803580.

The spelling of 72741008 in words is "seventy-two million, seven hundred forty-one thousand, eight".