3974997370 has 8 divisors (see below), whose sum is σ = 7154995284. Its totient is φ = 1589998944.

The previous prime is 3974997359. The next prime is 3974997401. The reversal of 3974997370 is 737994793.

It can be written as a sum of positive squares in 2 ways, for example, as 3890890129 + 84107241 = 62377^2 + 9171^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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, 198749859 + ... + 198749878.

Almost surely, 2^3974997370 is an apocalyptic number.

3974997370 is a deficient number, since it is larger than the sum of its proper divisors (3179997914).

3974997370 is a wasteful number, since it uses less digits than its factorization.

3974997370 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 397499744.

The product of its (nonzero) digits is 9001692, while the sum is 58.

The square root of 3974997370 is about 63047.5802073323. The cubic root of 3974997370 is about 1584.0867032962.

The spelling of 3974997370 in words is "three billion, nine hundred seventy-four million, nine hundred ninety-seven thousand, three hundred seventy".