74407089 has 4 divisors (see below), whose sum is σ = 99209456. Its totient is φ = 49604724.

The previous prime is 74407043. The next prime is 74407121. The reversal of 74407089 is 98070447.

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 not a de Polignac number, because 74407089 - 2⁷ = 74406961 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (74407009) 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, 12401179 + ... + 12401184.

It is an arithmetic number, because the mean of its divisors is an integer number (24802364).

Almost surely, 2^74407089 is an apocalyptic number.

It is an amenable number.

74407089 is a deficient number, since it is larger than the sum of its proper divisors (24802367).

74407089 is a wasteful number, since it uses less digits than its factorization.

74407089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24802366.

The product of its (nonzero) digits is 56448, while the sum is 39.

The square root of 74407089 is about 8625.9543819800. The cubic root of 74407089 is about 420.6021012831.

The spelling of 74407089 in words is "seventy-four million, four hundred seven thousand, eighty-nine".