74827456747 has 4 divisors (see below), whose sum is σ = 75049497016. Its totient is φ = 74605416480.

The previous prime is 74827456723. The next prime is 74827456757. The reversal of 74827456747 is 74765472847.

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

It is a cyclic number.

It is not a de Polignac number, because 74827456747 - 2⁷ = 74827456619 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74827456757) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 111019629 + ... + 111020302.

It is an arithmetic number, because the mean of its divisors is an integer number (18762374254).

Almost surely, 2^74827456747 is an apocalyptic number.

74827456747 is a deficient number, since it is larger than the sum of its proper divisors (222040269).

74827456747 is a wasteful number, since it uses less digits than its factorization.

74827456747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222040268.

The product of its digits is 73758720, while the sum is 61.

The spelling of 74827456747 in words is "seventy-four billion, eight hundred twenty-seven million, four hundred fifty-six thousand, seven hundred forty-seven".