74458087648 has 24 divisors (see below), whose sum is σ = 167530697712. Its totient is φ = 31910608896.

The previous prime is 74458087633. The next prime is 74458087651. The reversal of 74458087648 is 84678085447.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 166200865 + ... + 166201312.

It is an arithmetic number, because the mean of its divisors is an integer number (6980445738).

Almost surely, 2^74458087648 is an apocalyptic number.

It is an amenable number.

74458087648 is an abundant number, since it is smaller than the sum of its proper divisors (93072610064).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

74458087648 is a wasteful number, since it uses less digits than its factorization.

74458087648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 332402194 (or 332402186 counting only the distinct ones).

The product of its (nonzero) digits is 48168960, while the sum is 61.

The spelling of 74458087648 in words is "seventy-four billion, four hundred fifty-eight million, eighty-seven thousand, six hundred forty-eight".