40373573 has 4 divisors (see below), whose sum is σ = 40397280. Its totient is φ = 40349868.

The previous prime is 40373527. The next prime is 40373609. The reversal of 40373573 is 37537304.

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 a cyclic number.

It is not a de Polignac number, because 40373573 - 2¹² = 40369477 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 (40372573) 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, 9083 + ... + 12776.

It is an arithmetic number, because the mean of its divisors is an integer number (10099320).

Almost surely, 2^40373573 is an apocalyptic number.

It is an amenable number.

40373573 is a deficient number, since it is larger than the sum of its proper divisors (23707).

40373573 is a wasteful number, since it uses less digits than its factorization.

40373573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23706.

The product of its (nonzero) digits is 26460, while the sum is 32.

The square root of 40373573 is about 6354.0202234491. The cubic root of 40373573 is about 343.0565600728.

The spelling of 40373573 in words is "forty million, three hundred seventy-three thousand, five hundred seventy-three".