74648364 has 72 divisors (see below), whose sum is σ = 205309440. Its totient is φ = 21045024.

The previous prime is 74648333. The next prime is 74648369. The reversal of 74648364 is 46384647.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74648369) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 45649 + ... + 47255.

It is an arithmetic number, because the mean of its divisors is an integer number (2851520).

Almost surely, 2^74648364 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 74648364, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (102654720).

74648364 is an abundant number, since it is smaller than the sum of its proper divisors (130661076).

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

74648364 is a wasteful number, since it uses less digits than its factorization.

74648364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1707 (or 1698 counting only the distinct ones).

The product of its digits is 387072, while the sum is 42.

The square root of 74648364 is about 8639.9284719261. The cubic root of 74648364 is about 421.0562304177.

The spelling of 74648364 in words is "seventy-four million, six hundred forty-eight thousand, three hundred sixty-four".