730244636 has 12 divisors (see below), whose sum is σ = 1394103480. Its totient is φ = 331929360.

The previous prime is 730244633. The next prime is 730244657. The reversal of 730244636 is 636442037.

It is a junction number, because it is equal to n+sod(n) for n = 730244596 and 730244605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (730244633) 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, 8298191 + ... + 8298278.

It is an arithmetic number, because the mean of its divisors is an integer number (116175290).

Almost surely, 2^730244636 is an apocalyptic number.

It is an amenable number.

730244636 is a deficient number, since it is larger than the sum of its proper divisors (663858844).

730244636 is a wasteful number, since it uses less digits than its factorization.

730244636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16596484 (or 16596482 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 35.

The square root of 730244636 is about 27023.0389852807. The cubic root of 730244636 is about 900.5119046669.

The spelling of 730244636 in words is "seven hundred thirty million, two hundred forty-four thousand, six hundred thirty-six".