74693897069 has 16 divisors (see below), whose sum is σ = 81628865856. Its totient is φ = 67783161600.

The previous prime is 74693897023. The next prime is 74693897077. The reversal of 74693897069 is 96079839647.

It is not a de Polignac number, because 74693897069 - 2²⁰ = 74692848493 is a prime.

It is a super-2 number, since 2×74693897069² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74693897569) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19116014 + ... + 19119920.

It is an arithmetic number, because the mean of its divisors is an integer number (5101804116).

Almost surely, 2^74693897069 is an apocalyptic number.

It is an amenable number.

74693897069 is a deficient number, since it is larger than the sum of its proper divisors (6934968787).

74693897069 is a wasteful number, since it uses less digits than its factorization.

74693897069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6556.

The product of its (nonzero) digits is 123451776, while the sum is 68.

The spelling of 74693897069 in words is "seventy-four billion, six hundred ninety-three million, eight hundred ninety-seven thousand, sixty-nine".