74573983 has 4 divisors (see below), whose sum is σ = 81353448. Its totient is φ = 67794520.

The previous prime is 74573963. The next prime is 74573987. The reversal of 74573983 is 38937547.

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: 38937547 = 11 ⋅3539777.

It is a cyclic number.

It is not a de Polignac number, because 74573983 - 2¹⁷ = 74442911 is a prime.

It is a super-2 number, since 2×74573983² = 11122557880968578, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74573987) 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, 3389716 + ... + 3389737.

It is an arithmetic number, because the mean of its divisors is an integer number (20338362).

Almost surely, 2^74573983 is an apocalyptic number.

74573983 is a deficient number, since it is larger than the sum of its proper divisors (6779465).

74573983 is a wasteful number, since it uses less digits than its factorization.

74573983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6779464.

The product of its digits is 635040, while the sum is 46.

The square root of 74573983 is about 8635.6229074688. The cubic root of 74573983 is about 420.9163345571.

The spelling of 74573983 in words is "seventy-four million, five hundred seventy-three thousand, nine hundred eighty-three".