74677020768 has 180 divisors, whose sum is σ = 255480301692. Its totient is φ = 21336255360.

The previous prime is 74677020767. The next prime is 74677020833. The reversal of 74677020768 is 86702077647.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74677020767) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 166978 + ... + 420993.

Almost surely, 2^74677020768 is an apocalyptic number.

It is an amenable number.

74677020768 is an abundant number, since it is smaller than the sum of its proper divisors (180803280924).

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

74677020768 is a wasteful number, since it uses less digits than its factorization.

74677020768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 588007 (or 587983 counting only the distinct ones).

The product of its (nonzero) digits is 5531904, while the sum is 54.

The spelling of 74677020768 in words is "seventy-four billion, six hundred seventy-seven million, twenty thousand, seven hundred sixty-eight".