74949465360 has 640 divisors, whose sum is σ = 311822327808. Its totient is φ = 14413824000.

The previous prime is 74949465337. The next prime is 74949465427. The reversal of 74949465360 is 6356494947.

It is a happy number.

It is a Cunningham number, because it is equal to 273769²-1.

It is a self number, because there is not a number n which added to its sum of digits gives 74949465360.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 19161805 + ... + 19165715.

Almost surely, 2^74949465360 is an apocalyptic number.

74949465360 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 74949465360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (155911163904).

74949465360 is an abundant number, since it is smaller than the sum of its proper divisors (236872862448).

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

74949465360 is a wasteful number, since it uses less digits than its factorization.

74949465360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4023 (or 4017 counting only the distinct ones).

The product of its (nonzero) digits is 19595520, while the sum is 57.

The spelling of 74949465360 in words is "seventy-four billion, nine hundred forty-nine million, four hundred sixty-five thousand, three hundred sixty".