74770766 has 12 divisors (see below), whose sum is σ = 130467528. Its totient is φ = 32044572.

The previous prime is 74770711. The next prime is 74770789. The reversal of 74770766 is 66707747.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 381386 + ... + 381581.

It is an arithmetic number, because the mean of its divisors is an integer number (10872294).

Almost surely, 2^74770766 is an apocalyptic number.

74770766 is a deficient number, since it is larger than the sum of its proper divisors (55696762).

74770766 is a wasteful number, since it uses less digits than its factorization.

74770766 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 762983 (or 762976 counting only the distinct ones).

The product of its (nonzero) digits is 345744, while the sum is 44.

The square root of 74770766 is about 8647.0090782883. The cubic root of 74770766 is about 421.2862420720.

The spelling of 74770766 in words is "seventy-four million, seven hundred seventy thousand, seven hundred sixty-six".