74800857601 has 4 divisors (see below), whose sum is σ = 76625268804. Its totient is φ = 72976446400.

The previous prime is 74800857581. The next prime is 74800857613. The reversal of 74800857601 is 10675800847.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10675800847 = 1039 ⋅10275073.

It can be written as a sum of positive squares in 2 ways, for example, as 40732926976 + 34067930625 = 201824^2 + 184575^2 .

It is a cyclic number.

It is not a de Polignac number, because 74800857601 - 2⁷ = 74800857473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74800857401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 912205540 + ... + 912205621.

It is an arithmetic number, because the mean of its divisors is an integer number (19156317201).

Almost surely, 2^74800857601 is an apocalyptic number.

It is an amenable number.

74800857601 is a deficient number, since it is larger than the sum of its proper divisors (1824411203).

74800857601 is a wasteful number, since it uses less digits than its factorization.

74800857601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1824411202.

The product of its (nonzero) digits is 376320, while the sum is 46.

The spelling of 74800857601 in words is "seventy-four billion, eight hundred million, eight hundred fifty-seven thousand, six hundred one".