74625052647 has 4 divisors (see below), whose sum is σ = 99500070200. Its totient is φ = 49750035096.

The previous prime is 74625052637. The next prime is 74625052651.

74625052647 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 74625052647 - 2⁸ = 74625052391 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 74625052596 and 74625052605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74625052627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12437508772 + ... + 12437508777.

It is an arithmetic number, because the mean of its divisors is an integer number (24875017550).

Almost surely, 2^74625052647 is an apocalyptic number.

74625052647 is a deficient number, since it is larger than the sum of its proper divisors (24875017553).

74625052647 is a wasteful number, since it uses less digits than its factorization.

74625052647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24875017552.

The product of its (nonzero) digits is 2822400, while the sum is 48.

It can be divided in two parts, 746250 and 52647, that added together give a palindrome (798897).

The spelling of 74625052647 in words is "seventy-four billion, six hundred twenty-five million, fifty-two thousand, six hundred forty-seven".