74953873 has 4 divisors (see below), whose sum is σ = 74974900. Its totient is φ = 74932848.

The previous prime is 74953847. The next prime is 74953883. The reversal of 74953873 is 37835947.

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: 37835947 = 89 ⋅425123.

It can be written as a sum of positive squares in 2 ways, for example, as 40297104 + 34656769 = 6348^2 + 5887^2 .

It is a cyclic number.

It is not a de Polignac number, because 74953873 - 2¹³ = 74945681 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74953843) 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, 3690 + ... + 12787.

It is an arithmetic number, because the mean of its divisors is an integer number (18743725).

Almost surely, 2^74953873 is an apocalyptic number.

It is an amenable number.

74953873 is a deficient number, since it is larger than the sum of its proper divisors (21027).

74953873 is a wasteful number, since it uses less digits than its factorization.

74953873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21026.

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

The square root of 74953873 is about 8657.5904846556. The cubic root of 74953873 is about 421.6298593239.

The spelling of 74953873 in words is "seventy-four million, nine hundred fifty-three thousand, eight hundred seventy-three".