730025512 has 16 divisors (see below), whose sum is σ = 1369912500. Its totient is φ = 364715520.

The previous prime is 730025507. The next prime is 730025521. The reversal of 730025512 is 215520037.

It can be written as a sum of positive squares in 2 ways, for example, as 640798596 + 89226916 = 25314^2 + 9446^2 .

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 3 ways as a sum of consecutive naturals, for example, 26539 + ... + 46522.

Almost surely, 2^730025512 is an apocalyptic number.

It is an amenable number.

730025512 is a deficient number, since it is larger than the sum of its proper divisors (639886988).

730025512 is a wasteful number, since it uses less digits than its factorization.

730025512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74316 (or 74312 counting only the distinct ones).

The product of its (nonzero) digits is 2100, while the sum is 25.

The square root of 730025512 is about 27018.9842888292. The cubic root of 730025512 is about 900.4218236625.

Adding to 730025512 its reverse (215520037), we get a palindrome (945545549).

The spelling of 730025512 in words is "seven hundred thirty million, twenty-five thousand, five hundred twelve".