74546743 has 4 divisors (see below), whose sum is σ = 74706840. Its totient is φ = 74386648.

The previous prime is 74546713. The next prime is 74546753. The reversal of 74546743 is 34764547.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-74546743 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 74546696 and 74546705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74546713) 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, 79348 + ... + 80281.

It is an arithmetic number, because the mean of its divisors is an integer number (18676710).

Almost surely, 2^74546743 is an apocalyptic number.

74546743 is a deficient number, since it is larger than the sum of its proper divisors (160097).

74546743 is a wasteful number, since it uses less digits than its factorization.

74546743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160096.

The product of its digits is 282240, while the sum is 40.

The square root of 74546743 is about 8634.0455755109. The cubic root of 74546743 is about 420.8650782662.

The spelling of 74546743 in words is "seventy-four million, five hundred forty-six thousand, seven hundred forty-three".