74817152641 has 16 divisors (see below), whose sum is σ = 95553618048. Its totient is φ = 56877148800.

The previous prime is 74817152633. The next prime is 74817152671. The reversal of 74817152641 is 14625171847.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 74817152641 - 2³ = 74817152633 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 74817152591 and 74817152600.

It is not an unprimeable number, because it can be changed into a prime (74817152671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11846250 + ... + 11852563.

It is an arithmetic number, because the mean of its divisors is an integer number (5972101128).

Almost surely, 2^74817152641 is an apocalyptic number.

It is an amenable number.

74817152641 is a deficient number, since it is larger than the sum of its proper divisors (20736465407).

74817152641 is a wasteful number, since it uses less digits than its factorization.

74817152641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23698872.

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

The spelling of 74817152641 in words is "seventy-four billion, eight hundred seventeen million, one hundred fifty-two thousand, six hundred forty-one".