74895409 has 4 divisors (see below), whose sum is σ = 75046000. Its totient is φ = 74744820.

The previous prime is 74895407. The next prime is 74895419. The reversal of 74895409 is 90459847.

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 74895409 - 2¹ = 74895407 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74895407) 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, 74547 + ... + 75544.

It is an arithmetic number, because the mean of its divisors is an integer number (18761500).

Almost surely, 2^74895409 is an apocalyptic number.

It is an amenable number.

74895409 is a deficient number, since it is larger than the sum of its proper divisors (150591).

74895409 is a wasteful number, since it uses less digits than its factorization.

74895409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150590.

The product of its (nonzero) digits is 362880, while the sum is 46.

The square root of 74895409 is about 8654.2133669098. The cubic root of 74895409 is about 421.5202070852.

The spelling of 74895409 in words is "seventy-four million, eight hundred ninety-five thousand, four hundred nine".