74187960 has 384 divisors, whose sum is σ = 299427840. Its totient is φ = 14515200.

The previous prime is 74187959. The next prime is 74187979. The reversal of 74187960 is 6978147.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2005062 + ... + 2005098.

It is an arithmetic number, because the mean of its divisors is an integer number (779760).

Almost surely, 2^74187960 is an apocalyptic number.

74187960 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 74187960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (149713920).

74187960 is an abundant number, since it is smaller than the sum of its proper divisors (225239880).

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

74187960 is a wasteful number, since it uses less digits than its factorization.

74187960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107 (or 96 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 42.

The square root of 74187960 is about 8613.2432915830. The cubic root of 74187960 is about 420.1888040025.

The spelling of 74187960 in words is "seventy-four million, one hundred eighty-seven thousand, nine hundred sixty".