74512246 has 4 divisors (see below), whose sum is σ = 111768372. Its totient is φ = 37256122.

The previous prime is 74512231. The next prime is 74512253. The reversal of 74512246 is 64221547.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18628060 + ... + 18628063.

It is an arithmetic number, because the mean of its divisors is an integer number (27942093).

Almost surely, 2^74512246 is an apocalyptic number.

74512246 is a deficient number, since it is larger than the sum of its proper divisors (37256126).

74512246 is a wasteful number, since it uses less digits than its factorization.

74512246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37256125.

The product of its digits is 13440, while the sum is 31.

The square root of 74512246 is about 8632.0476133997. The cubic root of 74512246 is about 420.8001488805.

The spelling of 74512246 in words is "seventy-four million, five hundred twelve thousand, two hundred forty-six".