74652425648 has 20 divisors (see below), whose sum is σ = 144646736808. Its totient is φ = 37324235520.

The previous prime is 74652425633. The next prime is 74652425663. The reversal of 74652425648 is 84652425647.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (74652425633) and next prime (74652425663).

It is a self number, because there is not a number n which added to its sum of digits gives 74652425648.

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, 216203 + ... + 442773.

Almost surely, 2^74652425648 is an apocalyptic number.

It is an amenable number.

74652425648 is a deficient number, since it is larger than the sum of its proper divisors (69994311160).

74652425648 is a wasteful number, since it uses less digits than its factorization.

74652425648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247172 (or 247166 counting only the distinct ones).

The product of its digits is 12902400, while the sum is 53.

Subtracting 74652425648 from its reverse (84652425647), we obtain a palindrome (9999999999).

The spelling of 74652425648 in words is "seventy-four billion, six hundred fifty-two million, four hundred twenty-five thousand, six hundred forty-eight".