74870851 has 8 divisors (see below), whose sum is σ = 83017008. Its totient is φ = 66948000.

The previous prime is 74870843. The next prime is 74870899. The reversal of 74870851 is 15807847.

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 74870851 - 2³ = 74870843 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74870251) 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, 55120 + ... + 56461.

It is an arithmetic number, because the mean of its divisors is an integer number (10377126).

Almost surely, 2^74870851 is an apocalyptic number.

74870851 is a deficient number, since it is larger than the sum of its proper divisors (8146157).

74870851 is a wasteful number, since it uses less digits than its factorization.

74870851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111653.

The product of its (nonzero) digits is 62720, while the sum is 40.

The square root of 74870851 is about 8652.7944041217. The cubic root of 74870851 is about 421.4741302739.

The spelling of 74870851 in words is "seventy-four million, eight hundred seventy thousand, eight hundred fifty-one".