74537343 has 6 divisors (see below), whose sum is σ = 107665064. Its totient is φ = 49691556.

The previous prime is 74537341. The next prime is 74537381. The reversal of 74537343 is 34373547.

It is not a de Polignac number, because 74537343 - 2¹ = 74537341 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 74537298 and 74537307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74537341) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4140955 + ... + 4140972.

Almost surely, 2^74537343 is an apocalyptic number.

74537343 is a deficient number, since it is larger than the sum of its proper divisors (33127721).

74537343 is a wasteful number, since it uses less digits than its factorization.

74537343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8281933 (or 8281930 counting only the distinct ones).

The product of its digits is 105840, while the sum is 36.

The square root of 74537343 is about 8633.5012017142. The cubic root of 74537343 is about 420.8473878085.

The spelling of 74537343 in words is "seventy-four million, five hundred thirty-seven thousand, three hundred forty-three".