730803431 has 4 divisors (see below), whose sum is σ = 737270832. Its totient is φ = 724336032.

The previous prime is 730803427. The next prime is 730803439. The reversal of 730803431 is 134308037.

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 730803431 - 2² = 730803427 is a prime.

It is a super-2 number, since 2×730803431² = 1068147309522743522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 730803394 and 730803403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (730803439) 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, 3233531 + ... + 3233756.

It is an arithmetic number, because the mean of its divisors is an integer number (184317708).

Almost surely, 2^730803431 is an apocalyptic number.

730803431 is a deficient number, since it is larger than the sum of its proper divisors (6467401).

730803431 is a wasteful number, since it uses less digits than its factorization.

730803431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6467400.

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 730803431 is about 27033.3762412319. The cubic root of 730803431 is about 900.7415415251.

The spelling of 730803431 in words is "seven hundred thirty million, eight hundred three thousand, four hundred thirty-one".