74603430647 has 8 divisors (see below), whose sum is σ = 76591286640. Its totient is φ = 72637065280.

The previous prime is 74603430623. The next prime is 74603430661.

It is a happy number.

74603430647 is nontrivially palindromic in base 10.

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

It is a cyclic number.

It is not a de Polignac number, because 74603430647 - 2²⁸ = 74334995191 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 74603430598 and 74603430607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74603430667) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5365622 + ... + 5379507.

It is an arithmetic number, because the mean of its divisors is an integer number (9573910830).

Almost surely, 2^74603430647 is an apocalyptic number.

74603430647 is a deficient number, since it is larger than the sum of its proper divisors (1987855993).

74603430647 is a wasteful number, since it uses less digits than its factorization.

74603430647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10745313.

The product of its (nonzero) digits is 1016064, while the sum is 44.

The spelling of 74603430647 in words is "seventy-four billion, six hundred three million, four hundred thirty thousand, six hundred forty-seven".