7672064420 has 12 divisors (see below), whose sum is σ = 16111335324. Its totient is φ = 3068825760.

The previous prime is 7672064417. The next prime is 7672064447. The reversal of 7672064420 is 244602767.

It can be written as a sum of positive squares in 2 ways, for example, as 5568741376 + 2103323044 = 74624^2 + 45862^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 191801591 + ... + 191801630.

It is an arithmetic number, because the mean of its divisors is an integer number (1342611277).

Almost surely, 2^7672064420 is an apocalyptic number.

It is an amenable number.

7672064420 is an abundant number, since it is smaller than the sum of its proper divisors (8439270904).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7672064420 is a wasteful number, since it uses less digits than its factorization.

7672064420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 383603230 (or 383603228 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 38.

The square root of 7672064420 is about 87590.3214972979. The cubic root of 7672064420 is about 1972.2898828050.

The spelling of 7672064420 in words is "seven billion, six hundred seventy-two million, sixty-four thousand, four hundred twenty".