3947374078 has 8 divisors (see below), whose sum is σ = 6004456560. Its totient is φ = 1945888560.

The previous prime is 3947374061. The next prime is 3947374091. The reversal of 3947374078 is 8704737493.

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

It is a super-2 number, since 2×3947374078² = 31163524223332700168, which contains 22 as substring.

It is a congruent number.

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, 13899063 + ... + 13899346.

It is an arithmetic number, because the mean of its divisors is an integer number (750557070).

Almost surely, 2^3947374078 is an apocalyptic number.

3947374078 is a deficient number, since it is larger than the sum of its proper divisors (2057082482).

3947374078 is a wasteful number, since it uses less digits than its factorization.

3947374078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27798482.

The product of its (nonzero) digits is 3556224, while the sum is 52.

The square root of 3947374078 is about 62828.1312629940. The cubic root of 3947374078 is about 1580.4087600745.

The spelling of 3947374078 in words is "three billion, nine hundred forty-seven million, three hundred seventy-four thousand, seventy-eight".