74944946 has 8 divisors (see below), whose sum is σ = 112571760. Its totient is φ = 37421028.

The previous prime is 74944937. The next prime is 74944957. The reversal of 74944946 is 64944947.

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

It is a self number, because there is not a number n which added to its sum of digits gives 74944946.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23876 + ... + 26831.

It is an arithmetic number, because the mean of its divisors is an integer number (14071470).

Almost surely, 2^74944946 is an apocalyptic number.

74944946 is a deficient number, since it is larger than the sum of its proper divisors (37626814).

74944946 is a wasteful number, since it uses less digits than its factorization.

74944946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51448.

The product of its digits is 870912, while the sum is 47.

The square root of 74944946 is about 8657.0749101530. The cubic root of 74944946 is about 421.6131199656.

Subtracting from 74944946 its reverse (64944947), we obtain a palindrome (9999999).

The spelling of 74944946 in words is "seventy-four million, nine hundred forty-four thousand, nine hundred forty-six".