730000803 has 32 divisors (see below), whose sum is σ = 1164070912. Its totient is φ = 398131200.

The previous prime is 730000793. The next prime is 730000807. The reversal of 730000803 is 308000037.

It is not a de Polignac number, because 730000803 - 2⁸ = 730000547 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

730000803 is a modest number, since divided by 803 gives 730 as remainder.

It is a self number, because there is not a number n which added to its sum of digits gives 730000803.

It is not an unprimeable number, because it can be changed into a prime (730000807) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 39843 + ... + 55203.

It is an arithmetic number, because the mean of its divisors is an integer number (36377216).

Almost surely, 2^730000803 is an apocalyptic number.

730000803 is a gapful number since it is divisible by the number (73) formed by its first and last digit.

730000803 is a deficient number, since it is larger than the sum of its proper divisors (434070109).

730000803 is a wasteful number, since it uses less digits than its factorization.

730000803 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15475.

The product of its (nonzero) digits is 504, while the sum is 21.

The square root of 730000803 is about 27018.5270323902. The cubic root of 730000803 is about 900.4116647601.

The spelling of 730000803 in words is "seven hundred thirty million, eight hundred three", and thus it is an aban number.