75315428375 has 32 divisors (see below), whose sum is σ = 102767745600. Its totient is φ = 54652416000.

The previous prime is 75315428371. The next prime is 75315428449. The reversal of 75315428375 is 57382451357.

It is not a de Polignac number, because 75315428375 - 2² = 75315428371 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75315428371) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 556379 + ... + 678371.

It is an arithmetic number, because the mean of its divisors is an integer number (3211492050).

Almost surely, 2^75315428375 is an apocalyptic number.

75315428375 is a deficient number, since it is larger than the sum of its proper divisors (27452317225).

75315428375 is a wasteful number, since it uses less digits than its factorization.

75315428375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122468 (or 122458 counting only the distinct ones).

The product of its digits is 3528000, while the sum is 50.

The spelling of 75315428375 in words is "seventy-five billion, three hundred fifteen million, four hundred twenty-eight thousand, three hundred seventy-five".