730573680 has 40 divisors (see below), whose sum is σ = 2264779152. Its totient is φ = 194819584.

The previous prime is 730573651. The next prime is 730573709. The reversal of 730573680 is 86375037.

It is an interprime number because it is at equal distance from previous prime (730573651) and next prime (730573709).

It is a tau number, because it is divible by the number of its divisors (40).

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1521789 + ... + 1522268.

Almost surely, 2^730573680 is an apocalyptic number.

It is an amenable number.

730573680 is an abundant number, since it is smaller than the sum of its proper divisors (1534205472).

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

730573680 is a wasteful number, since it uses less digits than its factorization.

730573680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3044073 (or 3044067 counting only the distinct ones).

The product of its (nonzero) digits is 105840, while the sum is 39.

The square root of 730573680 is about 27029.1265119685. The cubic root of 730573680 is about 900.6471395050.

The spelling of 730573680 in words is "seven hundred thirty million, five hundred seventy-three thousand, six hundred eighty".