64874183 has 4 divisors (see below), whose sum is σ = 70771848. Its totient is φ = 58976520.

The previous prime is 64874149. The next prime is 64874203. The reversal of 64874183 is 38147846.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 64874183 - 2¹⁶ = 64808647 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 64874183.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64874123) 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, 2948816 + ... + 2948837.

It is an arithmetic number, because the mean of its divisors is an integer number (17692962).

Almost surely, 2^64874183 is an apocalyptic number.

64874183 is a deficient number, since it is larger than the sum of its proper divisors (5897665).

64874183 is a wasteful number, since it uses less digits than its factorization.

64874183 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5897664.

The product of its digits is 129024, while the sum is 41.

The square root of 64874183 is about 8054.4511296550. The cubic root of 64874183 is about 401.8129848830.

The spelling of 64874183 in words is "sixty-four million, eight hundred seventy-four thousand, one hundred eighty-three".