74344473 has 80 divisors (see below), whose sum is σ = 136913920. Its totient is φ = 39261024.

The previous prime is 74344471. The next prime is 74344477. The reversal of 74344473 is 37444347.

It is not a de Polignac number, because 74344473 - 2¹ = 74344471 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74344471) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 721740 + ... + 721842.

It is an arithmetic number, because the mean of its divisors is an integer number (1711424).

Almost surely, 2^74344473 is an apocalyptic number.

It is an amenable number.

74344473 is a deficient number, since it is larger than the sum of its proper divisors (62569447).

74344473 is a wasteful number, since it uses less digits than its factorization.

74344473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208 (or 199 counting only the distinct ones).

The product of its digits is 112896, while the sum is 36.

The square root of 74344473 is about 8622.3241066432. The cubic root of 74344473 is about 420.4840846952.

The spelling of 74344473 in words is "seventy-four million, three hundred forty-four thousand, four hundred seventy-three".