74744746 has 8 divisors (see below), whose sum is σ = 118018080. Its totient is φ = 35405388.

The previous prime is 74744729. The next prime is 74744749. The reversal of 74744746 is 64744747.

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

It is not an unprimeable number, because it can be changed into a prime (74744749) 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, 983446 + ... + 983521.

It is an arithmetic number, because the mean of its divisors is an integer number (14752260).

Almost surely, 2^74744746 is an apocalyptic number.

74744746 is a deficient number, since it is larger than the sum of its proper divisors (43273334).

74744746 is a wasteful number, since it uses less digits than its factorization.

74744746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1966988.

The product of its digits is 526848, while the sum is 43.

The square root of 74744746 is about 8645.5043808907. The cubic root of 74744746 is about 421.2373676236.

Subtracting from 74744746 its reverse (64744747), we obtain a palindrome (9999999).

The spelling of 74744746 in words is "seventy-four million, seven hundred forty-four thousand, seven hundred forty-six".