74340577 has 4 divisors (see below), whose sum is σ = 77572800. Its totient is φ = 71108356.

The previous prime is 74340533. The next prime is 74340583. The reversal of 74340577 is 77504347.

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, and also an emirpimes, since its reverse is a distinct semiprime: 77504347 = 59 ⋅1313633.

It is a cyclic number.

It is not a de Polignac number, because 74340577 - 2²³ = 65951969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74340377) 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, 1616077 + ... + 1616122.

It is an arithmetic number, because the mean of its divisors is an integer number (19393200).

Almost surely, 2^74340577 is an apocalyptic number.

It is an amenable number.

74340577 is a deficient number, since it is larger than the sum of its proper divisors (3232223).

74340577 is a wasteful number, since it uses less digits than its factorization.

74340577 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3232222.

The product of its (nonzero) digits is 82320, while the sum is 37.

The square root of 74340577 is about 8622.0981785178. The cubic root of 74340577 is about 420.4767394524.

The spelling of 74340577 in words is "seventy-four million, three hundred forty thousand, five hundred seventy-seven".