3975478374 has 32 divisors (see below), whose sum is σ = 9093885696. Its totient is φ = 1134966240.

The previous prime is 3975478349. The next prime is 3975478379. The reversal of 3975478374 is 4738745793.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3975478379) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18684 + ... + 91104.

It is an arithmetic number, because the mean of its divisors is an integer number (284183928).

Almost surely, 2^3975478374 is an apocalyptic number.

3975478374 is an abundant number, since it is smaller than the sum of its proper divisors (5118407322).

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

3975478374 is a wasteful number, since it uses less digits than its factorization.

3975478374 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73740.

The product of its digits is 17781120, while the sum is 57.

The square root of 3975478374 is about 63051.3947030516. The cubic root of 3975478374 is about 1584.1505961107.

The spelling of 3975478374 in words is "three billion, nine hundred seventy-five million, four hundred seventy-eight thousand, three hundred seventy-four".