730143642 has 16 divisors (see below), whose sum is σ = 1546186752. Its totient is φ = 229064640.

The previous prime is 730143641. The next prime is 730143653. The reversal of 730143642 is 246341037.

730143642 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (730143641) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3579034 + ... + 3579237.

It is an arithmetic number, because the mean of its divisors is an integer number (96636672).

Almost surely, 2^730143642 is an apocalyptic number.

730143642 is an abundant number, since it is smaller than the sum of its proper divisors (816043110).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

730143642 is a wasteful number, since it uses less digits than its factorization.

730143642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7158293.

The product of its (nonzero) digits is 12096, while the sum is 30.

The square root of 730143642 is about 27021.1702559308. The cubic root of 730143642 is about 900.4703886745.

Adding to 730143642 its reverse (246341037), we get a palindrome (976484679).

The spelling of 730143642 in words is "seven hundred thirty million, one hundred forty-three thousand, six hundred forty-two".