3720974257 has 16 divisors (see below), whose sum is σ = 4995994752. Its totient is φ = 2676424320.

The previous prime is 3720974251. The next prime is 3720974267. The reversal of 3720974257 is 7524790273.

It is a cyclic number.

It is not a de Polignac number, because 3720974257 - 2³ = 3720974249 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3720974251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1857628 + ... + 1859629.

It is an arithmetic number, because the mean of its divisors is an integer number (312249672).

Almost surely, 2^3720974257 is an apocalyptic number.

It is an amenable number.

3720974257 is a deficient number, since it is larger than the sum of its proper divisors (1275020495).

3720974257 is a wasteful number, since it uses less digits than its factorization.

3720974257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3717288.

The product of its (nonzero) digits is 740880, while the sum is 46.

The square root of 3720974257 is about 60999.7889914383. The cubic root of 3720974257 is about 1549.5974337132.

The spelling of 3720974257 in words is "three billion, seven hundred twenty million, nine hundred seventy-four thousand, two hundred fifty-seven".