74802553688 has 8 divisors (see below), whose sum is σ = 140254788180. Its totient is φ = 37401276840.

The previous prime is 74802553681. The next prime is 74802553703. The reversal of 74802553688 is 88635520847.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-4 number, since 4×74802553688⁴ (a number of 45 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74802553681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4675159598 + ... + 4675159613.

Almost surely, 2^74802553688 is an apocalyptic number.

It is an amenable number.

74802553688 is a deficient number, since it is larger than the sum of its proper divisors (65452234492).

74802553688 is a wasteful number, since it uses less digits than its factorization.

74802553688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9350319217 (or 9350319213 counting only the distinct ones).

The product of its (nonzero) digits is 12902400, while the sum is 56.

The spelling of 74802553688 in words is "seventy-four billion, eight hundred two million, five hundred fifty-three thousand, six hundred eighty-eight".