40047703 has 4 divisors (see below), whose sum is σ = 40340160. Its totient is φ = 39755248.

The previous prime is 40047697. The next prime is 40047731. The reversal of 40047703 is 30774004.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 40047703 - 2⁵ = 40047671 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 (40047103) 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, 146023 + ... + 146296.

It is an arithmetic number, because the mean of its divisors is an integer number (10085040).

Almost surely, 2^40047703 is an apocalyptic number.

40047703 is a deficient number, since it is larger than the sum of its proper divisors (292457).

40047703 is a wasteful number, since it uses less digits than its factorization.

40047703 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 292456.

The product of its (nonzero) digits is 2352, while the sum is 25.

The square root of 40047703 is about 6328.3254499117. The cubic root of 40047703 is about 342.1310869646.

The spelling of 40047703 in words is "forty million, forty-seven thousand, seven hundred three".