730012426 has 32 divisors (see below), whose sum is σ = 1288425600. Its totient is φ = 305830080.

The previous prime is 730012411. The next prime is 730012427. The reversal of 730012426 is 624210037.

It is a super-2 number, since 2×730012426² = 1065836284228810952, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 730012426.

It is not an unprimeable number, because it can be changed into a prime (730012427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 235555 + ... + 238633.

It is an arithmetic number, because the mean of its divisors is an integer number (40263300).

Almost surely, 2^730012426 is an apocalyptic number.

730012426 is a deficient number, since it is larger than the sum of its proper divisors (558413174).

730012426 is a wasteful number, since it uses less digits than its factorization.

730012426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3934.

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 730012426 is about 27018.7421246808. The cubic root of 730012426 is about 900.4164434896.

The spelling of 730012426 in words is "seven hundred thirty million, twelve thousand, four hundred twenty-six".