40473903 has 4 divisors (see below), whose sum is σ = 53965208. Its totient is φ = 26982600.

The previous prime is 40473899. The next prime is 40473911. The reversal of 40473903 is 30937404.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 40473903 - 2² = 40473899 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 (40473703) 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, 6745648 + ... + 6745653.

It is an arithmetic number, because the mean of its divisors is an integer number (13491302).

Almost surely, 2^40473903 is an apocalyptic number.

40473903 is a deficient number, since it is larger than the sum of its proper divisors (13491305).

40473903 is a wasteful number, since it uses less digits than its factorization.

40473903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13491304.

The product of its (nonzero) digits is 9072, while the sum is 30.

The square root of 40473903 is about 6361.9103263092. The cubic root of 40473903 is about 343.3404949229.

The spelling of 40473903 in words is "forty million, four hundred seventy-three thousand, nine hundred three".