74426619125 has 8 divisors (see below), whose sum is σ = 92884420824. Its totient is φ = 59541295200.

The previous prime is 74426619107. The next prime is 74426619167. The reversal of 74426619125 is 52191662447.

It can be written as a sum of positive squares in 4 ways, for example, as 1480171729 + 72946447396 = 38473^2 + 270086^2 .

It is not a de Polignac number, because 74426619125 - 2⁸ = 74426618869 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 74426619125.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 297706352 + ... + 297706601.

It is an arithmetic number, because the mean of its divisors is an integer number (11610552603).

Almost surely, 2^74426619125 is an apocalyptic number.

It is an amenable number.

74426619125 is a deficient number, since it is larger than the sum of its proper divisors (18457801699).

74426619125 is an equidigital number, since it uses as much as digits as its factorization.

74426619125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 595412968 (or 595412958 counting only the distinct ones).

The product of its digits is 725760, while the sum is 47.

The spelling of 74426619125 in words is "seventy-four billion, four hundred twenty-six million, six hundred nineteen thousand, one hundred twenty-five".