730485760 has 44 divisors (see below), whose sum is σ = 1752322068. Its totient is φ = 292192256.

The previous prime is 730485713. The next prime is 730485851. The reversal of 730485760 is 67584037.

It can be written as a sum of positive squares in 2 ways, for example, as 329204736 + 401281024 = 18144^2 + 20032^2 .

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66217 + ... + 76456.

Almost surely, 2^730485760 is an apocalyptic number.

It is an amenable number.

730485760 is an abundant number, since it is smaller than the sum of its proper divisors (1021836308).

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

730485760 is a wasteful number, since it uses less digits than its factorization.

730485760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142698 (or 142680 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 40.

The square root of 730485760 is about 27027.5000693738. The cubic root of 730485760 is about 900.6110089612.

The spelling of 730485760 in words is "seven hundred thirty million, four hundred eighty-five thousand, seven hundred sixty".