72709004 has 24 divisors (see below), whose sum is σ = 131861520. Its totient is φ = 35057984.

The previous prime is 72708997. The next prime is 72709019. The reversal of 72709004 is 40090727.

It is an unprimeable number.

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, 9602 + ... + 15414.

It is an arithmetic number, because the mean of its divisors is an integer number (5494230).

Almost surely, 2^72709004 is an apocalyptic number.

It is an amenable number.

72709004 is a deficient number, since it is larger than the sum of its proper divisors (59152516).

72709004 is a wasteful number, since it uses less digits than its factorization.

72709004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5929 (or 5927 counting only the distinct ones).

The product of its (nonzero) digits is 3528, while the sum is 29.

The square root of 72709004 is about 8526.9574878734. The cubic root of 72709004 is about 417.3778508880.

The spelling of 72709004 in words is "seventy-two million, seven hundred nine thousand, four".