40622743 has 4 divisors (see below), whose sum is σ = 46426000. Its totient is φ = 34819488.

The previous prime is 40622713. The next prime is 40622749. The reversal of 40622743 is 34722604.

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 40622743 - 2¹³ = 40614551 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40622749) 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, 2901618 + ... + 2901631.

It is an arithmetic number, because the mean of its divisors is an integer number (11606500).

Almost surely, 2^40622743 is an apocalyptic number.

40622743 is a deficient number, since it is larger than the sum of its proper divisors (5803257).

40622743 is an equidigital number, since it uses as much as digits as its factorization.

40622743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5803256.

The product of its (nonzero) digits is 8064, while the sum is 28.

The square root of 40622743 is about 6373.5973358850. The cubic root of 40622743 is about 343.7608504344.

The spelling of 40622743 in words is "forty million, six hundred twenty-two thousand, seven hundred forty-three".