40208073 has 8 divisors (see below), whose sum is σ = 54033408. Its totient is φ = 26594064.

The previous prime is 40208059. The next prime is 40208083. The reversal of 40208073 is 37080204.

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

It is not a de Polignac number, because 40208073 - 2⁴ = 40208057 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40208083) 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, 52386 + ... + 53147.

It is an arithmetic number, because the mean of its divisors is an integer number (6754176).

Almost surely, 2^40208073 is an apocalyptic number.

It is an amenable number.

40208073 is a deficient number, since it is larger than the sum of its proper divisors (13825335).

40208073 is a wasteful number, since it uses less digits than its factorization.

40208073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105663.

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 40208073 is about 6340.9835987802. The cubic root of 40208073 is about 342.5871637782.

Adding to 40208073 its reverse (37080204), we get a palindrome (77288277).

The spelling of 40208073 in words is "forty million, two hundred eight thousand, seventy-three".