75158222500 has 45 divisors (see below), whose sum is σ = 164385981991. Its totient is φ = 30057806000.

The previous prime is 75158222479. The next prime is 75158222527. The reversal of 75158222500 is 522285157.

The square root of 75158222500 is 274150.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 2 ways, for example, as 5892404644 + 69265817856 = 76762^2 + 263184^2 .

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 75158222500.

It is an unprimeable number.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 13704759 + ... + 13710241.

Almost surely, 2^75158222500 is an apocalyptic number.

75158222500 is the 274150-th square number.

It is an amenable number.

75158222500 is an abundant number, since it is smaller than the sum of its proper divisors (89227759491).

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

75158222500 is an frugal number, since it uses more digits than its factorization.

75158222500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10990 (or 5490 counting only the distinct ones).

The product of its (nonzero) digits is 56000, while the sum is 37.

The spelling of 75158222500 in words is "seventy-five billion, one hundred fifty-eight million, two hundred twenty-two thousand, five hundred".