730997925 has 144 divisors (see below), whose sum is σ = 1535169600. Its totient is φ = 305665920.

The previous prime is 730997881. The next prime is 730997933. The reversal of 730997925 is 529799037.

It is a happy number.

It is not a de Polignac number, because 730997925 - 2¹¹ = 730995877 is a prime.

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 143 ways as a sum of consecutive naturals, for example, 25206811 + ... + 25206839.

It is an arithmetic number, because the mean of its divisors is an integer number (10660900).

Almost surely, 2^730997925 is an apocalyptic number.

730997925 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

730997925 is an abundant number, since it is smaller than the sum of its proper divisors (804171675).

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

730997925 is a wasteful number, since it uses less digits than its factorization.

730997925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113 (or 63 counting only the distinct ones).

The product of its (nonzero) digits is 1071630, while the sum is 51.

The square root of 730997925 is about 27036.9732958406. The cubic root of 730997925 is about 900.8214413900.

The spelling of 730997925 in words is "seven hundred thirty million, nine hundred ninety-seven thousand, nine hundred twenty-five".