40946731 has 8 divisors (see below), whose sum is σ = 46878944. Its totient is φ = 35035200.

The previous prime is 40946701. The next prime is 40946747. The reversal of 40946731 is 13764904.

It is a happy number.

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 40946731 - 2⁹ = 40946219 is a prime.

It is a super-2 number, since 2×40946731² = 3353269559172722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40946701) 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, 660 + ... + 9073.

It is an arithmetic number, because the mean of its divisors is an integer number (5859868).

Almost surely, 2^40946731 is an apocalyptic number.

40946731 is a deficient number, since it is larger than the sum of its proper divisors (5932213).

40946731 is an equidigital number, since it uses as much as digits as its factorization.

40946731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10341.

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

The square root of 40946731 is about 6398.9632754064. The cubic root of 40946731 is about 344.6723234762.

The spelling of 40946731 in words is "forty million, nine hundred forty-six thousand, seven hundred thirty-one".