40721703 has 12 divisors (see below), whose sum is σ = 59680824. Its totient is φ = 24679600.

The previous prime is 40721701. The next prime is 40721711. The reversal of 40721703 is 30712704.

It is not a de Polignac number, because 40721703 - 2¹ = 40721701 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40721701) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 55728 + ... + 56453.

It is an arithmetic number, because the mean of its divisors is an integer number (4973402).

Almost surely, 2^40721703 is an apocalyptic number.

40721703 is a deficient number, since it is larger than the sum of its proper divisors (18959121).

40721703 is a wasteful number, since it uses less digits than its factorization.

40721703 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112206 (or 112195 counting only the distinct ones).

The product of its (nonzero) digits is 1176, while the sum is 24.

The square root of 40721703 is about 6381.3558904045. The cubic root of 40721703 is about 344.0397663376.

It can be divided in two parts, 4072 and 1703, that added together give a palindrome (5775).

The spelling of 40721703 in words is "forty million, seven hundred twenty-one thousand, seven hundred three".