7620940804 has 9 divisors (see below), whose sum is σ = 13336951957. Its totient is φ = 3810383104.

The previous prime is 7620940787. The next prime is 7620940823. The reversal of 7620940804 is 4080490267.

The square root of 7620940804 is 87298.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 3806643204 + 3814297600 = 61698^2 + 61760^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 152772 + ... + 196420.

Almost surely, 2^7620940804 is an apocalyptic number.

7620940804 is the 87298-th square number.

It is an amenable number.

7620940804 is a deficient number, since it is larger than the sum of its proper divisors (5716011153).

7620940804 is an frugal number, since it uses more digits than its factorization.

7620940804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87302 (or 43651 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 40.

The cubic root of 7620940804 is about 1967.8992614975.

The spelling of 7620940804 in words is "seven billion, six hundred twenty million, nine hundred forty thousand, eight hundred four".