75127901940 has 144 divisors (see below), whose sum is σ = 280477561728. Its totient is φ = 15851158272.

The previous prime is 75127901929. The next prime is 75127901977. The reversal of 75127901940 is 4910972157.

75127901940 is a `hidden beast` number, since 7 + 512 + 7 + 90 + 1 + 9 + 40 = 666.

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 pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2276902 + ... + 2309661.

Almost surely, 2^75127901940 is an apocalyptic number.

75127901940 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

75127901940 is an abundant number, since it is smaller than the sum of its proper divisors (205349659788).

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

75127901940 is a wasteful number, since it uses less digits than its factorization.

75127901940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4586598 (or 4586593 counting only the distinct ones).

The product of its (nonzero) digits is 158760, while the sum is 45.

The spelling of 75127901940 in words is "seventy-five billion, one hundred twenty-seven million, nine hundred one thousand, nine hundred forty".