74044679 has 4 divisors (see below), whose sum is σ = 74173584. Its totient is φ = 73915776.

The previous prime is 74044669. The next prime is 74044699. The reversal of 74044679 is 97644047.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-74044679 is a prime.

It is a super-2 number, since 2×74044679² = 10965228976426082, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74044609) 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 3 ways as a sum of consecutive naturals, for example, 63587 + ... + 64740.

It is an arithmetic number, because the mean of its divisors is an integer number (18543396).

Almost surely, 2^74044679 is an apocalyptic number.

74044679 is a deficient number, since it is larger than the sum of its proper divisors (128905).

74044679 is a wasteful number, since it uses less digits than its factorization.

74044679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128904.

The product of its (nonzero) digits is 169344, while the sum is 41.

The square root of 74044679 is about 8604.9217893017. The cubic root of 74044679 is about 419.9181227393.

The spelling of 74044679 in words is "seventy-four million, forty-four thousand, six hundred seventy-nine".