74121360 has 160 divisors (see below), whose sum is σ = 250376832. Its totient is φ = 18063360.

The previous prime is 74121349. The next prime is 74121371. The reversal of 74121360 is 6312147.

It is an interprime number because it is at equal distance from previous prime (74121349) and next prime (74121371).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 74121360.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 150715 + ... + 151205.

Almost surely, 2^74121360 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 74121360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (125188416).

74121360 is an abundant number, since it is smaller than the sum of its proper divisors (176255472).

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

74121360 is a wasteful number, since it uses less digits than its factorization.

74121360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 561 (or 555 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 74121360 is about 8609.3762840289. The cubic root of 74121360 is about 420.0630290896.

The spelling of 74121360 in words is "seventy-four million, one hundred twenty-one thousand, three hundred sixty".