74792243 has 4 divisors (see below), whose sum is σ = 77204928. Its totient is φ = 72379560.

The previous prime is 74792233. The next prime is 74792257. The reversal of 74792243 is 34229747.

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

It is a cyclic number.

It is not a de Polignac number, because 74792243 - 2⁸ = 74791987 is a prime.

It is a super-2 number, since 2×74792243² = 11187759225942098, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 74792197 and 74792206.

It is not an unprimeable number, because it can be changed into a prime (74792233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1206296 + ... + 1206357.

It is an arithmetic number, because the mean of its divisors is an integer number (19301232).

Almost surely, 2^74792243 is an apocalyptic number.

74792243 is a deficient number, since it is larger than the sum of its proper divisors (2412685).

74792243 is a wasteful number, since it uses less digits than its factorization.

74792243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2412684.

The product of its digits is 84672, while the sum is 38.

The square root of 74792243 is about 8648.2508636140. The cubic root of 74792243 is about 421.3265746732.

The spelling of 74792243 in words is "seventy-four million, seven hundred ninety-two thousand, two hundred forty-three".