74887253 has 8 divisors (see below), whose sum is σ = 86111808. Its totient is φ = 63794304.

The previous prime is 74887249. The next prime is 74887259. The reversal of 74887253 is 35278847.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 74887253 - 2² = 74887249 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74887259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31676 + ... + 33957.

It is an arithmetic number, because the mean of its divisors is an integer number (10763976).

Almost surely, 2^74887253 is an apocalyptic number.

It is an amenable number.

74887253 is a deficient number, since it is larger than the sum of its proper divisors (11224555).

74887253 is a wasteful number, since it uses less digits than its factorization.

74887253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65803.

The product of its digits is 376320, while the sum is 44.

The square root of 74887253 is about 8653.7421385202. The cubic root of 74887253 is about 421.5049055527.

It can be divided in two parts, 7488 and 7253, that added together give a palindrome (14741).

The spelling of 74887253 in words is "seventy-four million, eight hundred eighty-seven thousand, two hundred fifty-three".