74698577720889 has 8 divisors (see below), whose sum is σ = 99814151576832. Its totient is φ = 49691027839440.

The previous prime is 74698577720839. The next prime is 74698577720917. The reversal of 74698577720889 is 98802777589647.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 74698577720889 - 2⁷ = 74698577720761 is a prime.

It is not an unprimeable number, because it can be changed into a prime (74698577720839) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27005992009 + ... + 27005994774.

It is an arithmetic number, because the mean of its divisors is an integer number (12476768947104).

Almost surely, 2^{74698577720889} is an apocalyptic number.

It is an amenable number.

74698577720889 is a deficient number, since it is larger than the sum of its proper divisors (25115573855943).

74698577720889 is a wasteful number, since it uses less digits than its factorization.

74698577720889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54011987247.

The product of its (nonzero) digits is 23897825280, while the sum is 87.

The spelling of 74698577720889 in words is "seventy-four trillion, six hundred ninety-eight billion, five hundred seventy-seven million, seven hundred twenty thousand, eight hundred eighty-nine".