730088403 has 32 divisors (see below), whose sum is σ = 1105723392. Its totient is φ = 424569600.

The previous prime is 730088393. The next prime is 730088407. The reversal of 730088403 is 304880037.

It is not a de Polignac number, because 730088403 - 2⁶ = 730088339 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (730088407) 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, 85038 + ... + 93228.

It is an arithmetic number, because the mean of its divisors is an integer number (34553856).

Almost surely, 2^730088403 is an apocalyptic number.

730088403 is a gapful number since it is divisible by the number (73) formed by its first and last digit.

730088403 is a deficient number, since it is larger than the sum of its proper divisors (375634989).

730088403 is a wasteful number, since it uses less digits than its factorization.

730088403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8315.

The product of its (nonzero) digits is 16128, while the sum is 33.

The square root of 730088403 is about 27020.1480935986. The cubic root of 730088403 is about 900.4476797465.

It can be divided in two parts, 7300 and 88403, that added together give a triangular number (95703 = T₄₃₇).

The spelling of 730088403 in words is "seven hundred thirty million, eighty-eight thousand, four hundred three".