730547040 has 48 divisors (see below), whose sum is σ = 2301224688. Its totient is φ = 194812416.

The previous prime is 730547009. The next prime is 730547087. The reversal of 730547040 is 40745037.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 730546989 and 730547007.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 760507 + ... + 761466.

It is an arithmetic number, because the mean of its divisors is an integer number (47942181).

Almost surely, 2^730547040 is an apocalyptic number.

It is an amenable number.

730547040 is an abundant number, since it is smaller than the sum of its proper divisors (1570677648).

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

730547040 is a wasteful number, since it uses less digits than its factorization.

730547040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1521991 (or 1521983 counting only the distinct ones).

The product of its (nonzero) digits is 11760, while the sum is 30.

The square root of 730547040 is about 27028.6337057573. The cubic root of 730547040 is about 900.6361921577.

It can be divided in two parts, 7305 and 47040, that added together give a palindrome (54345).

The spelling of 730547040 in words is "seven hundred thirty million, five hundred forty-seven thousand, forty".