74299099247 has 16 divisors (see below), whose sum is σ = 78502060032. Its totient is φ = 70209992160.

The previous prime is 74299099223. The next prime is 74299099249.

74299099247 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 74299099247 - 2¹² = 74299095151 is a prime.

It is a super-2 number, since 2×74299099247² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 74299099247.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74299099249) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6775493 + ... + 6786449.

It is an arithmetic number, because the mean of its divisors is an integer number (4906378752).

Almost surely, 2^74299099247 is an apocalyptic number.

74299099247 is a deficient number, since it is larger than the sum of its proper divisors (4202960785).

74299099247 is a wasteful number, since it uses less digits than its factorization.

74299099247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16118.

The product of its (nonzero) digits is 20575296, while the sum is 62.

The spelling of 74299099247 in words is "seventy-four billion, two hundred ninety-nine million, ninety-nine thousand, two hundred forty-seven".