74674679 has 4 divisors (see below), whose sum is σ = 74886576. Its totient is φ = 74462784.

The previous prime is 74674673. The next prime is 74674709. The reversal of 74674679 is 97647647.

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-74674679 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74674673) 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 3 ways as a sum of consecutive naturals, for example, 105419 + ... + 106124.

It is an arithmetic number, because the mean of its divisors is an integer number (18721644).

Almost surely, 2^74674679 is an apocalyptic number.

74674679 is a deficient number, since it is larger than the sum of its proper divisors (211897).

74674679 is a wasteful number, since it uses less digits than its factorization.

74674679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211896.

The product of its digits is 1778112, while the sum is 50.

The square root of 74674679 is about 8641.4512091431. The cubic root of 74674679 is about 421.1057014415.

The spelling of 74674679 in words is "seventy-four million, six hundred seventy-four thousand, six hundred seventy-nine".