74600000641 has 4 divisors (see below), whose sum is σ = 75621918532. Its totient is φ = 73578082752.

The previous prime is 74600000639. The next prime is 74600000663. The reversal of 74600000641 is 14600000647.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 14600000647 = 181 ⋅80662987.

It can be written as a sum of positive squares in 2 ways, for example, as 22708983025 + 51891017616 = 150695^2 + 227796^2 .

It is a cyclic number.

It is not a de Polignac number, because 74600000641 - 2¹ = 74600000639 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74600000341) 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, 510958836 + ... + 510958981.

It is an arithmetic number, because the mean of its divisors is an integer number (18905479633).

Almost surely, 2^74600000641 is an apocalyptic number.

It is an amenable number.

74600000641 is a deficient number, since it is larger than the sum of its proper divisors (1021917891).

74600000641 is a wasteful number, since it uses less digits than its factorization.

74600000641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1021917890.

The product of its (nonzero) digits is 4032, while the sum is 28.

The spelling of 74600000641 in words is "seventy-four billion, six hundred million, six hundred forty-one", and thus it is an aban number.