75734444425 has 12 divisors (see below), whose sum is σ = 93951666396. Its totient is φ = 60561132800.

The previous prime is 75734444377. The next prime is 75734444437. The reversal of 75734444425 is 52444443757.

It can be written as a sum of positive squares in 6 ways, for example, as 1151380624 + 74583063801 = 33932^2 + 273099^2 .

It is not a de Polignac number, because 75734444425 - 2⁷ = 75734444297 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 601996 + ... + 716845.

It is an arithmetic number, because the mean of its divisors is an integer number (7829305533).

Almost surely, 2^75734444425 is an apocalyptic number.

It is an amenable number.

75734444425 is a deficient number, since it is larger than the sum of its proper divisors (18217221971).

75734444425 is a wasteful number, since it uses less digits than its factorization.

75734444425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1321148 (or 1321143 counting only the distinct ones).

The product of its digits is 7526400, while the sum is 49.

The spelling of 75734444425 in words is "seventy-five billion, seven hundred thirty-four million, four hundred forty-four thousand, four hundred twenty-five".