74238634 has 4 divisors (see below), whose sum is σ = 111357954. Its totient is φ = 37119316.

The previous prime is 74238623. The next prime is 74238653. The reversal of 74238634 is 43683247.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 57714409 + 16524225 = 7597^2 + 4065^2 .

It is a super-2 number, since 2×74238634² = 11022749556371912, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 74238593 and 74238602.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 18559657 + ... + 18559660.

Almost surely, 2^74238634 is an apocalyptic number.

74238634 is a deficient number, since it is larger than the sum of its proper divisors (37119320).

74238634 is a wasteful number, since it uses less digits than its factorization.

74238634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37119319.

The product of its digits is 96768, while the sum is 37.

The square root of 74238634 is about 8616.1844223531. The cubic root of 74238634 is about 420.2844520534.

The spelling of 74238634 in words is "seventy-four million, two hundred thirty-eight thousand, six hundred thirty-four".