40745867 has 4 divisors (see below), whose sum is σ = 40782360. Its totient is φ = 40709376.

The previous prime is 40745863. The next prime is 40745893. The reversal of 40745867 is 76854704.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 40745867 - 2² = 40745863 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40745863) 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, 16517 + ... + 18822.

It is an arithmetic number, because the mean of its divisors is an integer number (10195590).

Almost surely, 2^40745867 is an apocalyptic number.

40745867 is a deficient number, since it is larger than the sum of its proper divisors (36493).

40745867 is a wasteful number, since it uses less digits than its factorization.

40745867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36492.

The product of its (nonzero) digits is 188160, while the sum is 41.

The square root of 40745867 is about 6383.2489376492. The cubic root of 40745867 is about 344.1078032194.

The spelling of 40745867 in words is "forty million, seven hundred forty-five thousand, eight hundred sixty-seven".