74748274 has 8 divisors (see below), whose sum is σ = 113170608. Its totient is φ = 37024740.

The previous prime is 74748259. The next prime is 74748287. The reversal of 74748274 is 47284747.

It is a happy number.

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 74748274.

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, 174432 + ... + 174859.

It is an arithmetic number, because the mean of its divisors is an integer number (14146326).

Almost surely, 2^74748274 is an apocalyptic number.

74748274 is a deficient number, since it is larger than the sum of its proper divisors (38422334).

74748274 is a wasteful number, since it uses less digits than its factorization.

74748274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 349400.

The product of its digits is 351232, while the sum is 43.

The square root of 74748274 is about 8645.7084151618. The cubic root of 74748274 is about 421.2439950774.

The spelling of 74748274 in words is "seventy-four million, seven hundred forty-eight thousand, two hundred seventy-four".