74861379 has 12 divisors (see below), whose sum is σ = 108684576. Its totient is φ = 49653072.

The previous prime is 74861363. The next prime is 74861393. The reversal of 74861379 is 97316847.

It is not a de Polignac number, because 74861379 - 2⁴ = 74861363 is a prime.

It is not an unprimeable number, because it can be changed into a prime (74861179) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19339 + ... + 22884.

It is an arithmetic number, because the mean of its divisors is an integer number (9057048).

Almost surely, 2^74861379 is an apocalyptic number.

74861379 is a deficient number, since it is larger than the sum of its proper divisors (33823197).

74861379 is a wasteful number, since it uses less digits than its factorization.

74861379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42426 (or 42423 counting only the distinct ones).

The product of its digits is 254016, while the sum is 45.

The square root of 74861379 is about 8652.2470491775. The cubic root of 74861379 is about 421.4563557939.

The spelling of 74861379 in words is "seventy-four million, eight hundred sixty-one thousand, three hundred seventy-nine".