74152379 has 16 divisors (see below), whose sum is σ = 86016000. Its totient is φ = 62614944.

The previous prime is 74152369. The next prime is 74152381. The reversal of 74152379 is 97325147.

It is a de Polignac number, because none of the positive numbers 2^k-74152379 is a prime.

It is a super-2 number, since 2×74152379² = 10997150622719282, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (74152319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 212297 + ... + 212645.

It is an arithmetic number, because the mean of its divisors is an integer number (5376000).

Almost surely, 2^74152379 is an apocalyptic number.

74152379 is a deficient number, since it is larger than the sum of its proper divisors (11863621).

74152379 is a wasteful number, since it uses less digits than its factorization.

74152379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 722.

The product of its digits is 52920, while the sum is 38.

The square root of 74152379 is about 8611.1775617508. The cubic root of 74152379 is about 420.1216182191.

The spelling of 74152379 in words is "seventy-four million, one hundred fifty-two thousand, three hundred seventy-nine".