74340537 has 4 divisors (see below), whose sum is σ = 99120720. Its totient is φ = 49560356.

The previous prime is 74340533. The next prime is 74340583. The reversal of 74340537 is 73504347.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 74340537 - 2² = 74340533 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 74340498 and 74340507.

It is not an unprimeable number, because it can be changed into a prime (74340533) 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, 12390087 + ... + 12390092.

It is an arithmetic number, because the mean of its divisors is an integer number (24780180).

Almost surely, 2^74340537 is an apocalyptic number.

It is an amenable number.

74340537 is a deficient number, since it is larger than the sum of its proper divisors (24780183).

74340537 is a wasteful number, since it uses less digits than its factorization.

74340537 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24780182.

The product of its (nonzero) digits is 35280, while the sum is 33.

The square root of 74340537 is about 8622.0958588965. The cubic root of 74340537 is about 420.4766640379.

The spelling of 74340537 in words is "seventy-four million, three hundred forty thousand, five hundred thirty-seven".