75749351076 has 81 divisors (see below), whose sum is σ = 222773158881. Its totient is φ = 21639369024.

The previous prime is 75749351071. The next prime is 75749351089. The reversal of 75749351076 is 67015394757.

The square root of 75749351076 is 275226.

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

75749351076 is a `hidden beast` number, since 7 + 57 + 4 + 9 + 3 + 510 + 76 = 666.

It can be written as a sum of positive squares in only one way, i.e., 25673652900 + 50075698176 = 160230^2 + 223776^2 .

It is not an unprimeable number, because it can be changed into a prime (75749351071) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 11556216 + ... + 11562768.

Almost surely, 2^75749351076 is an apocalyptic number.

75749351076 is the 275226-th square number.

It is an amenable number.

75749351076 is an abundant number, since it is smaller than the sum of its proper divisors (147023807805).

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

75749351076 is an equidigital number, since it uses as much as digits as its factorization.

75749351076 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13130 (or 6565 counting only the distinct ones).

The product of its (nonzero) digits is 5556600, while the sum is 54.

The spelling of 75749351076 in words is "seventy-five billion, seven hundred forty-nine million, three hundred fifty-one thousand, seventy-six".