74489415245 has 32 divisors (see below), whose sum is σ = 105005797632. Its totient is φ = 49671078912.

The previous prime is 74489415233. The next prime is 74489415257. The reversal of 74489415245 is 54251498447.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (74489415233) and next prime (74489415257).

It is not a de Polignac number, because 74489415245 - 2⁴ = 74489415229 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (53).

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 31934 + ... + 387296.

It is an arithmetic number, because the mean of its divisors is an integer number (3281431176).

Almost surely, 2^74489415245 is an apocalyptic number.

It is an amenable number.

74489415245 is a deficient number, since it is larger than the sum of its proper divisors (30516382387).

74489415245 is a wasteful number, since it uses less digits than its factorization.

74489415245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 355541.

The product of its digits is 6451200, while the sum is 53.

The spelling of 74489415245 in words is "seventy-four billion, four hundred eighty-nine million, four hundred fifteen thousand, two hundred forty-five".