40252073 has 8 divisors (see below), whose sum is σ = 42729120. Its totient is φ = 37787200.

The previous prime is 40252067. The next prime is 40252081. The reversal of 40252073 is 37025204.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40252073 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (40252033) 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, 4298 + ... + 9948.

It is an arithmetic number, because the mean of its divisors is an integer number (5341140).

Almost surely, 2^40252073 is an apocalyptic number.

It is an amenable number.

40252073 is a deficient number, since it is larger than the sum of its proper divisors (2477047).

40252073 is a wasteful number, since it uses less digits than its factorization.

40252073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6087.

The product of its (nonzero) digits is 1680, while the sum is 23.

The square root of 40252073 is about 6344.4521434084. The cubic root of 40252073 is about 342.7120834685.

Adding to 40252073 its reverse (37025204), we get a palindrome (77277277).

The spelling of 40252073 in words is "forty million, two hundred fifty-two thousand, seventy-three".