74666961 has 16 divisors (see below), whose sum is σ = 110776000. Its totient is φ = 49706784.

The previous prime is 74666951. The next prime is 74667041. The reversal of 74666961 is 16966647.

It is a happy number.

It is not a de Polignac number, because 74666961 - 2⁷ = 74666833 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74666951) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22965 + ... + 26013.

It is an arithmetic number, because the mean of its divisors is an integer number (6923500).

Almost surely, 2^74666961 is an apocalyptic number.

It is an amenable number.

74666961 is a deficient number, since it is larger than the sum of its proper divisors (36109039).

74666961 is a wasteful number, since it uses less digits than its factorization.

74666961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3965 (or 3959 counting only the distinct ones).

The product of its digits is 326592, while the sum is 45.

The square root of 74666961 is about 8641.0046290926. The cubic root of 74666961 is about 421.0911931511.

The spelling of 74666961 in words is "seventy-four million, six hundred sixty-six thousand, nine hundred sixty-one".