74644377 has 16 divisors (see below), whose sum is σ = 101302272. Its totient is φ = 48882960.

The previous prime is 74644351. The next prime is 74644391. The reversal of 74644377 is 77344647.

It is not a de Polignac number, because 74644377 - 2¹⁸ = 74382233 is a prime.

It is not an unprimeable number, because it can be changed into a prime (74644327) 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, 39852 + ... + 41682.

It is an arithmetic number, because the mean of its divisors is an integer number (6331392).

Almost surely, 2^74644377 is an apocalyptic number.

It is an amenable number.

74644377 is a deficient number, since it is larger than the sum of its proper divisors (26657895).

74644377 is a wasteful number, since it uses less digits than its factorization.

74644377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2068.

The product of its digits is 395136, while the sum is 42.

The square root of 74644377 is about 8639.6977377684. The cubic root of 74644377 is about 421.0487340218.

The spelling of 74644377 in words is "seventy-four million, six hundred forty-four thousand, three hundred seventy-seven".