74918851 has 8 divisors (see below), whose sum is σ = 85753440. Its totient is φ = 64117248.

The previous prime is 74918827. The next prime is 74918867. The reversal of 74918851 is 15881947.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 74918851 - 2¹³ = 74910659 is a prime.

It is a super-2 number, since 2×74918851² = 11225668470320402, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 74918798 and 74918807.

It is not an unprimeable number, because it can be changed into a prime (74918551) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3166 + ... + 12643.

It is an arithmetic number, because the mean of its divisors is an integer number (10719180).

Almost surely, 2^74918851 is an apocalyptic number.

74918851 is a deficient number, since it is larger than the sum of its proper divisors (10834589).

74918851 is a wasteful number, since it uses less digits than its factorization.

74918851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16493.

The product of its digits is 80640, while the sum is 43.

The square root of 74918851 is about 8655.5676301442. The cubic root of 74918851 is about 421.5641806125.

It can be divided in two parts, 749 and 18851, that added together give a square (19600 = 140²).

The spelling of 74918851 in words is "seventy-four million, nine hundred eighteen thousand, eight hundred fifty-one".