75664260240722 has 8 divisors (see below), whose sum is σ = 116563860370956. Its totient is φ = 36809640117072.

The previous prime is 75664260240719. The next prime is 75664260240739. The reversal of 75664260240722 is 22704206246657.

It can be written as a sum of positive squares in 2 ways, for example, as 74963890432561 + 700369808161 = 8658169^2 + 836881^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 511245001553 + ... + 511245001700.

Almost surely, 2^{75664260240722} is an apocalyptic number.

75664260240722 is a deficient number, since it is larger than the sum of its proper divisors (40899600130234).

75664260240722 is a wasteful number, since it uses less digits than its factorization.

75664260240722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1022490003292.

The product of its (nonzero) digits is 13547520, while the sum is 53.

The spelling of 75664260240722 in words is "seventy-five trillion, six hundred sixty-four billion, two hundred sixty million, two hundred forty thousand, seven hundred twenty-two".