74364672 has 72 divisors (see below), whose sum is σ = 203345296. Its totient is φ = 24109056.

The previous prime is 74364649. The next prime is 74364677. The reversal of 74364672 is 27646347.

It is a self number, because there is not a number n which added to its sum of digits gives 74364672.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74364677) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27108 + ... + 29724.

Almost surely, 2^74364672 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 74364672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (101672648).

74364672 is an abundant number, since it is smaller than the sum of its proper divisors (128980624).

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

74364672 is a wasteful number, since it uses less digits than its factorization.

74364672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2673 (or 2659 counting only the distinct ones).

The product of its digits is 169344, while the sum is 39.

The square root of 74364672 is about 8623.4953470156. The cubic root of 74364672 is about 420.5221623473.

The spelling of 74364672 in words is "seventy-four million, three hundred sixty-four thousand, six hundred seventy-two".