74434170 has 16 divisors (see below), whose sum is σ = 178642080. Its totient is φ = 19849104.

The previous prime is 74434169. The next prime is 74434237. The reversal of 74434170 is 7143447.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 2481139 = 74434170 / (7 + 4 + 4 + 3 + 4 + 1 + 7 + 0).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1240540 + ... + 1240599.

It is an arithmetic number, because the mean of its divisors is an integer number (11165130).

Almost surely, 2^74434170 is an apocalyptic number.

74434170 is an abundant number, since it is smaller than the sum of its proper divisors (104207910).

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

74434170 is a wasteful number, since it uses less digits than its factorization.

74434170 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2481149.

The product of its (nonzero) digits is 9408, while the sum is 30.

The square root of 74434170 is about 8627.5239785236. The cubic root of 74434170 is about 420.6531221561.

The spelling of 74434170 in words is "seventy-four million, four hundred thirty-four thousand, one hundred seventy".