74247283 has 8 divisors (see below), whose sum is σ = 82881216. Its totient is φ = 65927400.

The previous prime is 74247253. The next prime is 74247301. The reversal of 74247283 is 38274247.

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

It is not a de Polignac number, because 74247283 - 2⁹ = 74246771 is a prime.

It is not an unprimeable number, because it can be changed into a prime (74247253) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78013 + ... + 78958.

It is an arithmetic number, because the mean of its divisors is an integer number (10360152).

Almost surely, 2^74247283 is an apocalyptic number.

74247283 is a deficient number, since it is larger than the sum of its proper divisors (8633933).

74247283 is a wasteful number, since it uses less digits than its factorization.

74247283 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157025.

The product of its digits is 75264, while the sum is 37.

The square root of 74247283 is about 8616.6863120343. The cubic root of 74247283 is about 420.3007728416.

It can be divided in two parts, 7424728 and 3, that added together give a triangular number (7424731 = T₃₈₅₃).

The spelling of 74247283 in words is "seventy-four million, two hundred forty-seven thousand, two hundred eighty-three".