74775378 has 8 divisors (see below), whose sum is σ = 149550768. Its totient is φ = 24925124.

The previous prime is 74775359. The next prime is 74775383. The reversal of 74775378 is 87357747.

It is a happy number.

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

74775378 is an admirable number.

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, 6231276 + ... + 6231287.

It is an arithmetic number, because the mean of its divisors is an integer number (18693846).

Almost surely, 2^74775378 is an apocalyptic number.

74775378 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

74775378 is a wasteful number, since it uses less digits than its factorization.

74775378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12462568.

The product of its digits is 1152480, while the sum is 48.

The square root of 74775378 is about 8647.2757559823. The cubic root of 74775378 is about 421.2949038004.

The spelling of 74775378 in words is "seventy-four million, seven hundred seventy-five thousand, three hundred seventy-eight".