730741040 has 40 divisors (see below), whose sum is σ = 1703670720. Its totient is φ = 291488256.

The previous prime is 730741013. The next prime is 730741049. The reversal of 730741040 is 40147037.

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

It is not an unprimeable number, because it can be changed into a prime (730741049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16916 + ... + 41804.

It is an arithmetic number, because the mean of its divisors is an integer number (42591768).

Almost surely, 2^730741040 is an apocalyptic number.

It is an amenable number.

730741040 is an abundant number, since it is smaller than the sum of its proper divisors (972929680).

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

730741040 is a wasteful number, since it uses less digits than its factorization.

730741040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25269 (or 25263 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 26.

The square root of 730741040 is about 27032.2222541914. Note that the first 4 decimals coincide. The cubic root of 730741040 is about 900.7159077443.

Adding to 730741040 its reverse (40147037), we get a palindrome (770888077).

The spelling of 730741040 in words is "seven hundred thirty million, seven hundred forty-one thousand, forty".