3726472978 has 16 divisors (see below), whose sum is σ = 5608776384. Its totient is φ = 1856892240.

The previous prime is 3726472969. The next prime is 3726472991. The reversal of 3726472978 is 8792746273.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 859051 + ... + 863377.

It is an arithmetic number, because the mean of its divisors is an integer number (350548524).

Almost surely, 2^3726472978 is an apocalyptic number.

3726472978 is a deficient number, since it is larger than the sum of its proper divisors (1882303406).

3726472978 is a wasteful number, since it uses less digits than its factorization.

3726472978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5697.

The product of its digits is 7112448, while the sum is 55.

The square root of 3726472978 is about 61044.8439919376. The cubic root of 3726472978 is about 1550.3603710122.

The spelling of 3726472978 in words is "three billion, seven hundred twenty-six million, four hundred seventy-two thousand, nine hundred seventy-eight".