74420805 has 16 divisors (see below), whose sum is σ = 119232000. Its totient is φ = 39638208.

The previous prime is 74420789. The next prime is 74420807. The reversal of 74420805 is 50802447.

It is not a de Polignac number, because 74420805 - 2⁴ = 74420789 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74420807) 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 15 ways as a sum of consecutive naturals, for example, 10071 + ... + 15819.

It is an arithmetic number, because the mean of its divisors is an integer number (7452000).

Almost surely, 2^74420805 is an apocalyptic number.

It is an amenable number.

74420805 is a deficient number, since it is larger than the sum of its proper divisors (44811195).

74420805 is a wasteful number, since it uses less digits than its factorization.

74420805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6620.

The product of its (nonzero) digits is 8960, while the sum is 30.

The square root of 74420805 is about 8626.7493878054. The cubic root of 74420805 is about 420.6279439103.

The spelling of 74420805 in words is "seventy-four million, four hundred twenty thousand, eight hundred five".