75428215350 has 24 divisors (see below), whose sum is σ = 187061974440. Its totient is φ = 20114190720.

The previous prime is 75428215321. The next prime is 75428215361. The reversal of 75428215350 is 5351282457.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 251427235 + ... + 251427534.

It is an arithmetic number, because the mean of its divisors is an integer number (7794248935).

Almost surely, 2^75428215350 is an apocalyptic number.

75428215350 is an abundant number, since it is smaller than the sum of its proper divisors (111633759090).

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

75428215350 is a wasteful number, since it uses less digits than its factorization.

75428215350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 502854784 (or 502854779 counting only the distinct ones).

The product of its (nonzero) digits is 336000, while the sum is 42.

The spelling of 75428215350 in words is "seventy-five billion, four hundred twenty-eight million, two hundred fifteen thousand, three hundred fifty".