730247570 has 32 divisors (see below), whose sum is σ = 1419656112. Its totient is φ = 268849152.

The previous prime is 730247569. The next prime is 730247599. The reversal of 730247570 is 75742037.

It can be written as a sum of positive squares in 8 ways, for example, as 261048649 + 469198921 = 16157^2 + 21661^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 730247570.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37934 + ... + 53846.

Almost surely, 2^730247570 is an apocalyptic number.

730247570 is a deficient number, since it is larger than the sum of its proper divisors (689408542).

730247570 is a wasteful number, since it uses less digits than its factorization.

730247570 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16286.

The product of its (nonzero) digits is 41160, while the sum is 35.

The square root of 730247570 is about 27023.0932722366. The cubic root of 730247570 is about 900.5131107004.

It can be divided in two parts, 7302 and 47570, that added together give a cube (54872 = 38³).

The spelling of 730247570 in words is "seven hundred thirty million, two hundred forty-seven thousand, five hundred seventy".