74199580 has 96 divisors (see below), whose sum is σ = 195310080. Its totient is φ = 23051520.

The previous prime is 74199571. The next prime is 74199583. The reversal of 74199580 is 8599147.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74199583) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 107035 + ... + 107725.

It is an arithmetic number, because the mean of its divisors is an integer number (2034480).

Almost surely, 2^74199580 is an apocalyptic number.

74199580 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 74199580, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97655040).

74199580 is an abundant number, since it is smaller than the sum of its proper divisors (121110500).

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

74199580 is a wasteful number, since it uses less digits than its factorization.

74199580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 779 (or 777 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 43.

The square root of 74199580 is about 8613.9178078271. The cubic root of 74199580 is about 420.2107408011.

The spelling of 74199580 in words is "seventy-four million, one hundred ninety-nine thousand, five hundred eighty".