40693147 has 6 divisors (see below), whose sum is σ = 44728964. Its totient is φ = 36993660.

The previous prime is 40693139. The next prime is 40693151. The reversal of 40693147 is 74139604.

It is a happy number.

It is not a de Polignac number, because 40693147 - 2³ = 40693139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40693127) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 168033 + ... + 168274.

Almost surely, 2^40693147 is an apocalyptic number.

40693147 is a deficient number, since it is larger than the sum of its proper divisors (4035817).

40693147 is a wasteful number, since it uses less digits than its factorization.

40693147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336329 (or 336318 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 40693147 is about 6379.1180424883. The cubic root of 40693147 is about 343.9593285024.

The spelling of 40693147 in words is "forty million, six hundred ninety-three thousand, one hundred forty-seven".