74742966 has 32 divisors (see below), whose sum is σ = 166492800. Its totient is φ = 24854760.

The previous prime is 74742949. The next prime is 74742973. The reversal of 74742966 is 66924747.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25105 + ... + 27923.

It is an arithmetic number, because the mean of its divisors is an integer number (5202900).

Almost surely, 2^74742966 is an apocalyptic number.

74742966 is an abundant number, since it is smaller than the sum of its proper divisors (91749834).

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

74742966 is a wasteful number, since it uses less digits than its factorization.

74742966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3321 (or 3315 counting only the distinct ones).

The product of its digits is 508032, while the sum is 45.

The square root of 74742966 is about 8645.4014366020. The cubic root of 74742966 is about 421.2340237611.

It can be divided in two parts, 7474 and 2966, that added together give a triangular number (10440 = T₁₄₄).

The spelling of 74742966 in words is "seventy-four million, seven hundred forty-two thousand, nine hundred sixty-six".