40075969 has 8 divisors (see below), whose sum is σ = 40807872. Its totient is φ = 39350160.

The previous prime is 40075967. The next prime is 40075979. The reversal of 40075969 is 96957004.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40075969 - 2¹ = 40075967 is a prime.

It is a super-2 number, since 2×40075969² = 3212166582577922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40075967) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12964 + ... + 15754.

It is an arithmetic number, because the mean of its divisors is an integer number (5100984).

Almost surely, 2^40075969 is an apocalyptic number.

It is an amenable number.

40075969 is a deficient number, since it is larger than the sum of its proper divisors (731903).

40075969 is a wasteful number, since it uses less digits than its factorization.

40075969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3047.

The product of its (nonzero) digits is 68040, while the sum is 40.

The square root of 40075969 is about 6330.5583482028. The cubic root of 40075969 is about 342.2115610181.

The spelling of 40075969 in words is "forty million, seventy-five thousand, nine hundred sixty-nine".