731422003 has 4 divisors (see below), whose sum is σ = 787685248. Its totient is φ = 675158760.

The previous prime is 731421989. The next prime is 731422007. The reversal of 731422003 is 300224137.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-731422003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (731422007) 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, 28131603 + ... + 28131628.

It is an arithmetic number, because the mean of its divisors is an integer number (196921312).

Almost surely, 2^731422003 is an apocalyptic number.

731422003 is a deficient number, since it is larger than the sum of its proper divisors (56263245).

731422003 is a wasteful number, since it uses less digits than its factorization.

731422003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56263244.

The product of its (nonzero) digits is 1008, while the sum is 22.

The square root of 731422003 is about 27044.8147155790. The cubic root of 731422003 is about 900.9956072764.

The spelling of 731422003 in words is "seven hundred thirty-one million, four hundred twenty-two thousand, three".