74297180160 has 816 divisors, whose sum is σ = 304252490880. Its totient is φ = 16420700160.

The previous prime is 74297180129. The next prime is 74297180173. The reversal of 74297180160 is 6108179247.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1217986530 + ... + 1217986590.

Almost surely, 2^74297180160 is an apocalyptic number.

74297180160 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 74297180160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (152126245440).

74297180160 is an abundant number, since it is smaller than the sum of its proper divisors (229955310720).

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

74297180160 is an equidigital number, since it uses as much as digits as its factorization.

74297180160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170 (or 137 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 45.

The spelling of 74297180160 in words is "seventy-four billion, two hundred ninety-seven million, one hundred eighty thousand, one hundred sixty".