40716731 has 8 divisors (see below), whose sum is σ = 45502128. Its totient is φ = 36112000.

The previous prime is 40716727. The next prime is 40716737. The reversal of 40716731 is 13761704.

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 40716731 - 2² = 40716727 is a prime.

It is a super-2 number, since 2×40716731² = 3315704366652722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40716694 and 40716703.

It is not an unprimeable number, because it can be changed into a prime (40716737) 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, 44690 + ... + 45591.

It is an arithmetic number, because the mean of its divisors is an integer number (5687766).

Almost surely, 2^40716731 is an apocalyptic number.

40716731 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

40716731 is a deficient number, since it is larger than the sum of its proper divisors (4785397).

40716731 is a wasteful number, since it uses less digits than its factorization.

40716731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90333.

The product of its (nonzero) digits is 3528, while the sum is 29.

The square root of 40716731 is about 6380.9663061326. The cubic root of 40716731 is about 344.0257636869.

The spelling of 40716731 in words is "forty million, seven hundred sixteen thousand, seven hundred thirty-one".