74277044688 has 80 divisors (see below), whose sum is σ = 239229974016. Its totient is φ = 19292737920.

The previous prime is 74277044663. The next prime is 74277044711. The reversal of 74277044688 is 88644077247.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10044606 + ... + 10051997.

Almost surely, 2^74277044688 is an apocalyptic number.

It is an amenable number.

74277044688 is an abundant number, since it is smaller than the sum of its proper divisors (164952929328).

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

74277044688 is a wasteful number, since it uses less digits than its factorization.

74277044688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20096632 (or 20096626 counting only the distinct ones).

The product of its (nonzero) digits is 16859136, while the sum is 57.

The spelling of 74277044688 in words is "seventy-four billion, two hundred seventy-seven million, forty-four thousand, six hundred eighty-eight".