75698788640 has 96 divisors (see below), whose sum is σ = 197591425920. Its totient is φ = 27259285504.

The previous prime is 75698788621. The next prime is 75698788661. The reversal of 75698788640 is 4688789657.

It is a Harshad number since it is a multiple of its sum of digits (68).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 542450 + ... + 667569.

It is an arithmetic number, because the mean of its divisors is an integer number (2058244020).

Almost surely, 2^75698788640 is an apocalyptic number.

It is an amenable number.

75698788640 is an abundant number, since it is smaller than the sum of its proper divisors (121892637280).

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

75698788640 is a wasteful number, since it uses less digits than its factorization.

75698788640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1210074 (or 1210066 counting only the distinct ones).

The product of its (nonzero) digits is 162570240, while the sum is 68.

The spelling of 75698788640 in words is "seventy-five billion, six hundred ninety-eight million, seven hundred eighty-eight thousand, six hundred forty".