74761243 has 8 divisors (see below), whose sum is σ = 77279616. Its totient is φ = 72249600.

The previous prime is 74761241. The next prime is 74761249. The reversal of 74761243 is 34216747.

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

It is a cyclic number.

It is not a de Polignac number, because 74761243 - 2¹ = 74761241 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 74761199 and 74761208.

It is not an unprimeable number, because it can be changed into a prime (74761241) 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, 31755 + ... + 34027.

It is an arithmetic number, because the mean of its divisors is an integer number (9659952).

Almost surely, 2^74761243 is an apocalyptic number.

74761243 is a deficient number, since it is larger than the sum of its proper divisors (2518373).

74761243 is a wasteful number, since it uses less digits than its factorization.

74761243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3365.

The product of its digits is 28224, while the sum is 34.

The square root of 74761243 is about 8646.4584079263. The cubic root of 74761243 is about 421.2683559407.

The spelling of 74761243 in words is "seventy-four million, seven hundred sixty-one thousand, two hundred forty-three".