40201673 has 4 divisors (see below), whose sum is σ = 40508688. Its totient is φ = 39894660.

The previous prime is 40201661. The next prime is 40201687. The reversal of 40201673 is 37610204.

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 40201673 - 2²⁰ = 39153097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40201373) 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, 153311 + ... + 153572.

It is an arithmetic number, because the mean of its divisors is an integer number (10127172).

Almost surely, 2^40201673 is an apocalyptic number.

It is an amenable number.

40201673 is a deficient number, since it is larger than the sum of its proper divisors (307015).

40201673 is a wasteful number, since it uses less digits than its factorization.

40201673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 307014.

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 40201673 is about 6340.4789251286. The cubic root of 40201673 is about 342.5689860507.

Adding to 40201673 its reverse (37610204), we get a palindrome (77811877).

The spelling of 40201673 in words is "forty million, two hundred one thousand, six hundred seventy-three".