74006865 has 48 divisors (see below), whose sum is σ = 140894208. Its totient is φ = 37138176.

The previous prime is 74006857. The next prime is 74006873. The reversal of 74006865 is 56860047.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (74006857) and next prime (74006873).

It is not a de Polignac number, because 74006865 - 2³ = 74006857 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 18864 + ... + 22446.

It is an arithmetic number, because the mean of its divisors is an integer number (2935296).

Almost surely, 2^74006865 is an apocalyptic number.

It is an amenable number.

74006865 is a deficient number, since it is larger than the sum of its proper divisors (66887343).

74006865 is a wasteful number, since it uses less digits than its factorization.

74006865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3620 (or 3608 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 74006865 is about 8602.7242778087. The cubic root of 74006865 is about 419.8466276730.

The spelling of 74006865 in words is "seventy-four million, six thousand, eight hundred sixty-five".