74019983 has 4 divisors (see below), whose sum is σ = 74043048. Its totient is φ = 73996920.

The previous prime is 74019961. The next prime is 74019997. The reversal of 74019983 is 38991047.

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: 38991047 = 17 ⋅2293591.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-74019983 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 74019983.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74010983) 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, 5753 + ... + 13458.

It is an arithmetic number, because the mean of its divisors is an integer number (18510762).

Almost surely, 2^74019983 is an apocalyptic number.

74019983 is a deficient number, since it is larger than the sum of its proper divisors (23065).

74019983 is a wasteful number, since it uses less digits than its factorization.

74019983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23064.

The product of its (nonzero) digits is 54432, while the sum is 41.

The square root of 74019983 is about 8603.4866769235. The cubic root of 74019983 is about 419.8714326812.

The spelling of 74019983 in words is "seventy-four million, nineteen thousand, nine hundred eighty-three".