40664703 has 8 divisors (see below), whose sum is σ = 54256048. Its totient is φ = 27091584.

The previous prime is 40664681. The next prime is 40664707. The reversal of 40664703 is 30746604.

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

It is not a de Polignac number, because 40664703 - 2¹⁴ = 40648319 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 (40664707) 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, 2001 + ... + 9237.

It is an arithmetic number, because the mean of its divisors is an integer number (6782006).

Almost surely, 2^40664703 is an apocalyptic number.

40664703 is a deficient number, since it is larger than the sum of its proper divisors (13591345).

40664703 is a wasteful number, since it uses less digits than its factorization.

40664703 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9113.

The product of its (nonzero) digits is 12096, while the sum is 30.

The square root of 40664703 is about 6376.8881909596. Note that the first 3 decimals coincide. The cubic root of 40664703 is about 343.8791687352.

The spelling of 40664703 in words is "forty million, six hundred sixty-four thousand, seven hundred three".