730601520 has 320 divisors, whose sum is σ = 2663829504. Its totient is φ = 163676160.

The previous prime is 730601497. The next prime is 730601527. The reversal of 730601520 is 25106037.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (730601527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3276129 + ... + 3276351.

Almost surely, 2^730601520 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 730601520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1331914752).

730601520 is an abundant number, since it is smaller than the sum of its proper divisors (1933227984).

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

730601520 is a wasteful number, since it uses less digits than its factorization.

730601520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 340 (or 334 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 24.

The square root of 730601520 is about 27029.6415070567. The cubic root of 730601520 is about 900.6585796917.

Adding to 730601520 its reverse (25106037), we get a palindrome (755707557).

The spelling of 730601520 in words is "seven hundred thirty million, six hundred one thousand, five hundred twenty".