74574968983 has 4 divisors (see below), whose sum is σ = 74591834128. Its totient is φ = 74558103840.

The previous prime is 74574968981. The next prime is 74574968987. The reversal of 74574968983 is 38986947547.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 38986947547 = 863 ⋅45176069.

It is a cyclic number.

It is not a de Polignac number, because 74574968983 - 2¹ = 74574968981 is a prime.

It is a super-2 number, since 2×74574968983² (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 (74574968981) 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, 8425938 + ... + 8434783.

It is an arithmetic number, because the mean of its divisors is an integer number (18647958532).

Almost surely, 2^74574968983 is an apocalyptic number.

74574968983 is a deficient number, since it is larger than the sum of its proper divisors (16865145).

74574968983 is a wasteful number, since it uses less digits than its factorization.

74574968983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16865144.

The product of its digits is 365783040, while the sum is 70.

The spelling of 74574968983 in words is "seventy-four billion, five hundred seventy-four million, nine hundred sixty-eight thousand, nine hundred eighty-three".