74713943 has 4 divisors (see below), whose sum is σ = 74991960. Its totient is φ = 74435928.

The previous prime is 74713921. The next prime is 74713979. The reversal of 74713943 is 34931747.

It is a happy number.

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 74713943 - 2¹² = 74709847 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 74713897 and 74713906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74713993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 138605 + ... + 139142.

It is an arithmetic number, because the mean of its divisors is an integer number (18747990).

Almost surely, 2^74713943 is an apocalyptic number.

74713943 is a deficient number, since it is larger than the sum of its proper divisors (278017).

74713943 is a wasteful number, since it uses less digits than its factorization.

74713943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278016.

The product of its digits is 63504, while the sum is 38.

The square root of 74713943 is about 8643.7227512224. The cubic root of 74713943 is about 421.1794944032.

The spelling of 74713943 in words is "seventy-four million, seven hundred thirteen thousand, nine hundred forty-three".