74947378 has 16 divisors (see below), whose sum is σ = 122821920. Its totient is φ = 34016800.

The previous prime is 74947361. The next prime is 74947393. The reversal of 74947378 is 87374947.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15693 + ... + 19903.

It is an arithmetic number, because the mean of its divisors is an integer number (7676370).

Almost surely, 2^74947378 is an apocalyptic number.

74947378 is a deficient number, since it is larger than the sum of its proper divisors (47874542).

74947378 is a wasteful number, since it uses less digits than its factorization.

74947378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5033.

The product of its digits is 1185408, while the sum is 49.

The square root of 74947378 is about 8657.2153721621. The cubic root of 74947378 is about 421.6176804333.

The spelling of 74947378 in words is "seventy-four million, nine hundred forty-seven thousand, three hundred seventy-eight".