7920590072 has 8 divisors (see below), whose sum is σ = 14851106400. Its totient is φ = 3960295032.

The previous prime is 7920590057. The next prime is 7920590081. The reversal of 7920590072 is 2700950297.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 495036872 + ... + 495036887.

It is an arithmetic number, because the mean of its divisors is an integer number (1856388300).

Almost surely, 2^7920590072 is an apocalyptic number.

It is an amenable number.

7920590072 is a deficient number, since it is larger than the sum of its proper divisors (6930516328).

7920590072 is a wasteful number, since it uses less digits than its factorization.

7920590072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 990073765 (or 990073761 counting only the distinct ones).

The product of its (nonzero) digits is 79380, while the sum is 41.

The square root of 7920590072 is about 88997.6970039113. The cubic root of 7920590072 is about 1993.3604888366.

The spelling of 7920590072 in words is "seven billion, nine hundred twenty million, five hundred ninety thousand, seventy-two".