40745903 has 14 divisors (see below), whose sum is σ = 46769208. Its totient is φ = 35431220.

The previous prime is 40745893. The next prime is 40745927. The reversal of 40745903 is 30954704.

It is not a de Polignac number, because 40745903 - 2⁸ = 40745647 is a prime.

It is a super-2 number, since 2×40745903² = 3320457222570818, which contains 22 as substring.

It is a Duffinian number.

It is a nialpdrome in base 11.

It is a self number, because there is not a number n which added to its sum of digits gives 40745903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40745933) by changing a digit.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 1771550 + ... + 1771572.

Almost surely, 2^40745903 is an apocalyptic number.

40745903 is a deficient number, since it is larger than the sum of its proper divisors (6023305).

40745903 is an frugal number, since it uses more digits than its factorization.

40745903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89 (or 34 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 32.

The square root of 40745903 is about 6383.2517575292. The cubic root of 40745903 is about 344.1079045620.

The spelling of 40745903 in words is "forty million, seven hundred forty-five thousand, nine hundred three".