74406697 has 4 divisors (see below), whose sum is σ = 74780800. Its totient is φ = 74032596.

The previous prime is 74406653. The next prime is 74406701. The reversal of 74406697 is 79660447.

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: 79660447 = 73 ⋅1091239.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-74406697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74401697) 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, 186753 + ... + 187150.

It is an arithmetic number, because the mean of its divisors is an integer number (18695200).

Almost surely, 2^74406697 is an apocalyptic number.

It is an amenable number.

74406697 is a deficient number, since it is larger than the sum of its proper divisors (374103).

74406697 is a wasteful number, since it uses less digits than its factorization.

74406697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 374102.

The product of its (nonzero) digits is 254016, while the sum is 43.

The square root of 74406697 is about 8625.9316598267. The cubic root of 74406697 is about 420.6013626603.

The spelling of 74406697 in words is "seventy-four million, four hundred six thousand, six hundred ninety-seven".