40000373 has 4 divisors (see below), whose sum is σ = 45714720. Its totient is φ = 34286028.

The previous prime is 40000369. The next prime is 40000409. The reversal of 40000373 is 37300004.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 40000373 - 2² = 40000369 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 (40000313) 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, 2857163 + ... + 2857176.

It is an arithmetic number, because the mean of its divisors is an integer number (11428680).

Almost surely, 2^40000373 is an apocalyptic number.

It is an amenable number.

40000373 is a deficient number, since it is larger than the sum of its proper divisors (5714347).

40000373 is an equidigital number, since it uses as much as digits as its factorization.

40000373 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5714346.

The product of its (nonzero) digits is 252, while the sum is 17.

The square root of 40000373 is about 6324.5848085072. The cubic root of 40000373 is about 341.9962523671.

Adding to 40000373 its reverse (37300004), we get a palindrome (77300377).

The spelling of 40000373 in words is "forty million, three hundred seventy-three", and thus it is an aban number.