730672560 has 120 divisors (see below), whose sum is σ = 2459106000. Its totient is φ = 194428416.

The previous prime is 730672513. The next prime is 730672567. The reversal of 730672560 is 65276037.

It is a happy number.

730672560 is a `hidden beast` number, since 7 + 30 + 67 + 2 + 560 = 666.

730672560 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (730672567) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 486691 + ... + 488189.

It is an arithmetic number, because the mean of its divisors is an integer number (20492550).

Almost surely, 2^730672560 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 730672560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1229553000).

730672560 is an abundant number, since it is smaller than the sum of its proper divisors (1728433440).

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

730672560 is a wasteful number, since it uses less digits than its factorization.

730672560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2195 (or 2186 counting only the distinct ones).

The product of its (nonzero) digits is 52920, while the sum is 36.

The square root of 730672560 is about 27030.9555879921. The cubic root of 730672560 is about 900.6877705753.

The spelling of 730672560 in words is "seven hundred thirty million, six hundred seventy-two thousand, five hundred sixty".