74264943 has 4 divisors (see below), whose sum is σ = 99019928. Its totient is φ = 49509960.

The previous prime is 74264941. The next prime is 74264951. The reversal of 74264943 is 34946247.

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

It is not a de Polignac number, because 74264943 - 2¹ = 74264941 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 (74264941) 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, 12377488 + ... + 12377493.

It is an arithmetic number, because the mean of its divisors is an integer number (24754982).

Almost surely, 2^74264943 is an apocalyptic number.

74264943 is a deficient number, since it is larger than the sum of its proper divisors (24754985).

74264943 is a wasteful number, since it uses less digits than its factorization.

74264943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24754984.

The product of its digits is 145152, while the sum is 39.

The square root of 74264943 is about 8617.7110069902. The cubic root of 74264943 is about 420.3340935816.

The spelling of 74264943 in words is "seventy-four million, two hundred sixty-four thousand, nine hundred forty-three".