74578276825 has 24 divisors (see below), whose sum is σ = 103920723648. Its totient is φ = 52678697280.

The previous prime is 74578276783. The next prime is 74578276831. The reversal of 74578276825 is 52867287547.

It is not a de Polignac number, because 74578276825 - 2⁹ = 74578276313 is a prime.

It is a Duffinian 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 23 ways as a sum of consecutive naturals, for example, 4981039 + ... + 4995988.

It is an arithmetic number, because the mean of its divisors is an integer number (4330030152).

Almost surely, 2^74578276825 is an apocalyptic number.

It is an amenable number.

74578276825 is a deficient number, since it is larger than the sum of its proper divisors (29342446823).

74578276825 is a wasteful number, since it uses less digits than its factorization.

74578276825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9977073 (or 9977068 counting only the distinct ones).

The product of its digits is 52684800, while the sum is 61.

The spelling of 74578276825 in words is "seventy-four billion, five hundred seventy-eight million, two hundred seventy-six thousand, eight hundred twenty-five".