72940792 has 8 divisors (see below), whose sum is σ = 136764000. Its totient is φ = 36470392.

The previous prime is 72940759. The next prime is 72940793. The reversal of 72940792 is 29704927.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72940793) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4558792 + ... + 4558807.

It is an arithmetic number, because the mean of its divisors is an integer number (17095500).

Almost surely, 2^72940792 is an apocalyptic number.

It is an amenable number.

72940792 is a deficient number, since it is larger than the sum of its proper divisors (63823208).

72940792 is a wasteful number, since it uses less digits than its factorization.

72940792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9117605 (or 9117601 counting only the distinct ones).

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

The square root of 72940792 is about 8540.5381563459. The cubic root of 72940792 is about 417.8208980651.

The spelling of 72940792 in words is "seventy-two million, nine hundred forty thousand, seven hundred ninety-two".