74270166 has 16 divisors (see below), whose sum is σ = 149626224. Its totient is φ = 24575744.

The previous prime is 74270153. The next prime is 74270167. The reversal of 74270166 is 66107247.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74270167) 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, 44355 + ... + 45998.

It is an arithmetic number, because the mean of its divisors is an integer number (9351639).

Almost surely, 2^74270166 is an apocalyptic number.

74270166 is an abundant number, since it is smaller than the sum of its proper divisors (75356058).

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

74270166 is a wasteful number, since it uses less digits than its factorization.

74270166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90495.

The product of its (nonzero) digits is 14112, while the sum is 33.

The square root of 74270166 is about 8618.0140403692. The cubic root of 74270166 is about 420.3439472820.

The spelling of 74270166 in words is "seventy-four million, two hundred seventy thousand, one hundred sixty-six".