74818634 has 8 divisors (see below), whose sum is σ = 122430528. Its totient is φ = 34008460.

The previous prime is 74818633. The next prime is 74818661. The reversal of 74818634 is 43681847.

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

It is a junction number, because it is equal to n+sod(n) for n = 74818591 and 74818600.

It is not an unprimeable number, because it can be changed into a prime (74818631) 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, 1700402 + ... + 1700445.

It is an arithmetic number, because the mean of its divisors is an integer number (15303816).

Almost surely, 2^74818634 is an apocalyptic number.

74818634 is a deficient number, since it is larger than the sum of its proper divisors (47611894).

74818634 is a wasteful number, since it uses less digits than its factorization.

74818634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3400860.

The product of its digits is 129024, while the sum is 41.

The square root of 74818634 is about 8649.7765289052. The cubic root of 74818634 is about 421.3761249189.

The spelling of 74818634 in words is "seventy-four million, eight hundred eighteen thousand, six hundred thirty-four".