74631999983 has 4 divisors (see below), whose sum is σ = 74635835280. Its totient is φ = 74628164688.

The previous prime is 74631999973. The next prime is 74632000021. The reversal of 74631999983 is 38999913647.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 38999913647 = 79 ⋅493669793.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-74631999983 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74631999973) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1888310 + ... + 1927427.

It is an arithmetic number, because the mean of its divisors is an integer number (18658958820).

Almost surely, 2^74631999983 is an apocalyptic number.

74631999983 is a deficient number, since it is larger than the sum of its proper divisors (3835297).

74631999983 is a wasteful number, since it uses less digits than its factorization.

74631999983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3835296.

The product of its digits is 79361856, while the sum is 68.

The spelling of 74631999983 in words is "seventy-four billion, six hundred thirty-one million, nine hundred ninety-nine thousand, nine hundred eighty-three".