74814679 has 4 divisors (see below), whose sum is σ = 75931384. Its totient is φ = 73697976.

The previous prime is 74814673. The next prime is 74814683. The reversal of 74814679 is 97641847.

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

It is a cyclic number.

It is not a de Polignac number, because 74814679 - 2¹⁵ = 74781911 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 (74814673) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 558252 + ... + 558385.

It is an arithmetic number, because the mean of its divisors is an integer number (18982846).

Almost surely, 2^74814679 is an apocalyptic number.

74814679 is a deficient number, since it is larger than the sum of its proper divisors (1116705).

74814679 is a wasteful number, since it uses less digits than its factorization.

74814679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1116704.

The product of its digits is 338688, while the sum is 46.

The square root of 74814679 is about 8649.5479072608. The cubic root of 74814679 is about 421.3686999774.

It can be divided in two parts, 748146 and 79, that added together give a square (748225 = 865²).

The spelling of 74814679 in words is "seventy-four million, eight hundred fourteen thousand, six hundred seventy-nine".