74853634 has 4 divisors (see below), whose sum is σ = 112280454. Its totient is φ = 37426816.

The previous prime is 74853629. The next prime is 74853677. The reversal of 74853634 is 43635847.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 43635847 = 103 ⋅423649.

It can be written as a sum of positive squares in only one way, i.e., 67815225 + 7038409 = 8235^2 + 2653^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a plaindrome in base 13.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18713407 + ... + 18713410.

Almost surely, 2^74853634 is an apocalyptic number.

74853634 is a deficient number, since it is larger than the sum of its proper divisors (37426820).

74853634 is a wasteful number, since it uses less digits than its factorization.

74853634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37426819.

The product of its digits is 241920, while the sum is 40.

The square root of 74853634 is about 8651.7994660071. The cubic root of 74853634 is about 421.4418209648.

The spelling of 74853634 in words is "seventy-four million, eight hundred fifty-three thousand, six hundred thirty-four".