74679429 has 32 divisors (see below), whose sum is σ = 111181824. Its totient is φ = 44210880.

The previous prime is 74679421. The next prime is 74679439. The reversal of 74679429 is 92497647.

It is not a de Polignac number, because 74679429 - 2³ = 74679421 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74679421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 431587 + ... + 431759.

It is an arithmetic number, because the mean of its divisors is an integer number (3474432).

Almost surely, 2^74679429 is an apocalyptic number.

It is an amenable number.

74679429 is a deficient number, since it is larger than the sum of its proper divisors (36502395).

74679429 is a wasteful number, since it uses less digits than its factorization.

74679429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 417.

The product of its digits is 762048, while the sum is 48.

The square root of 74679429 is about 8641.7260428690. The cubic root of 74679429 is about 421.1146299909.

The spelling of 74679429 in words is "seventy-four million, six hundred seventy-nine thousand, four hundred twenty-nine".