40923973 has 4 divisors (see below), whose sum is σ = 40985100. Its totient is φ = 40862848.

The previous prime is 40923943. The next prime is 40923977. The reversal of 40923973 is 37932904.

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

It can be written as a sum of positive squares in 2 ways, for example, as 25573249 + 15350724 = 5057^2 + 3918^2 .

It is a cyclic number.

It is not a de Polignac number, because 40923973 - 2⁹ = 40923461 is a prime.

It is a super-2 number, since 2×40923973² = 3349543132209458, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40923977) 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, 29548 + ... + 30901.

It is an arithmetic number, because the mean of its divisors is an integer number (10246275).

Almost surely, 2^40923973 is an apocalyptic number.

It is an amenable number.

40923973 is a deficient number, since it is larger than the sum of its proper divisors (61127).

40923973 is an equidigital number, since it uses as much as digits as its factorization.

40923973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61126.

The product of its (nonzero) digits is 40824, while the sum is 37.

The square root of 40923973 is about 6397.1847714444. The cubic root of 40923973 is about 344.6084558916.

The spelling of 40923973 in words is "forty million, nine hundred twenty-three thousand, nine hundred seventy-three".