74878320371 has 8 divisors (see below), whose sum is σ = 75693332304. Its totient is φ = 74067199360.

The previous prime is 74878320347. The next prime is 74878320379. The reversal of 74878320371 is 17302387847.

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

It is a cyclic number.

It is not a de Polignac number, because 74878320371 - 2¹⁴ = 74878303987 is a prime.

It is a super-2 number, since 2×74878320371² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74878320379) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 934025 + ... + 1011018.

It is an arithmetic number, because the mean of its divisors is an integer number (9461666538).

Almost surely, 2^74878320371 is an apocalyptic number.

74878320371 is a deficient number, since it is larger than the sum of its proper divisors (815011933).

74878320371 is a wasteful number, since it uses less digits than its factorization.

74878320371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1945461.

The product of its (nonzero) digits is 1580544, while the sum is 50.

The spelling of 74878320371 in words is "seventy-four billion, eight hundred seventy-eight million, three hundred twenty thousand, three hundred seventy-one".