74787245273 has 16 divisors (see below), whose sum is σ = 85165957632. Its totient is φ = 65178000000.

The previous prime is 74787245251. The next prime is 74787245279. The reversal of 74787245273 is 37254278747.

It is a cyclic number.

It is not a de Polignac number, because 74787245273 - 2¹⁴ = 74787228889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74787245279) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 2246603 + ... + 2279648.

It is an arithmetic number, because the mean of its divisors is an integer number (5322872352).

Almost surely, 2^74787245273 is an apocalyptic number.

It is an amenable number.

74787245273 is a deficient number, since it is larger than the sum of its proper divisors (10378712359).

74787245273 is a wasteful number, since it uses less digits than its factorization.

74787245273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4526336.

The product of its digits is 18439680, while the sum is 56.

The spelling of 74787245273 in words is "seventy-four billion, seven hundred eighty-seven million, two hundred forty-five thousand, two hundred seventy-three".