74347298319 has 16 divisors (see below), whose sum is σ = 119253812480. Its totient is φ = 40248161280.

The previous prime is 74347298297. The next prime is 74347298327. The reversal of 74347298319 is 91389274347.

It is a happy number.

It is not a de Polignac number, because 74347298319 - 2⁵ = 74347298287 is a prime.

It is a super-2 number, since 2×74347298319² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74347298329) 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, 93166642 + ... + 93167439.

It is an arithmetic number, because the mean of its divisors is an integer number (7453363280).

Almost surely, 2^74347298319 is an apocalyptic number.

74347298319 is a deficient number, since it is larger than the sum of its proper divisors (44906514161).

74347298319 is a wasteful number, since it uses less digits than its factorization.

74347298319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186334110.

The product of its digits is 9144576, while the sum is 57.

It can be divided in two parts, 7434 and 7298319, that added together give a triangular number (7305753 = T₃₈₂₂).

The spelling of 74347298319 in words is "seventy-four billion, three hundred forty-seven million, two hundred ninety-eight thousand, three hundred nineteen".