74423064 has 64 divisors (see below), whose sum is σ = 195056640. Its totient is φ = 23633280.

The previous prime is 74423053. The next prime is 74423071. The reversal of 74423064 is 46032447.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49102 + ... + 50594.

It is an arithmetic number, because the mean of its divisors is an integer number (3047760).

Almost surely, 2^74423064 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 74423064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97528320).

74423064 is an abundant number, since it is smaller than the sum of its proper divisors (120633576).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

74423064 is a wasteful number, since it uses less digits than its factorization.

74423064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1600 (or 1596 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 30.

The square root of 74423064 is about 8626.8803167773. The cubic root of 74423064 is about 420.6321998389.

The spelling of 74423064 in words is "seventy-four million, four hundred twenty-three thousand, sixty-four".