730977140 has 12 divisors (see below), whose sum is σ = 1535052036. Its totient is φ = 292390848.

The previous prime is 730977127. The next prime is 730977173. The reversal of 730977140 is 41779037.

It can be written as a sum of positive squares in 2 ways, for example, as 301161316 + 429815824 = 17354^2 + 20732^2 .

It is a junction number, because it is equal to n+sod(n) for n = 730977094 and 730977103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18274409 + ... + 18274448.

It is an arithmetic number, because the mean of its divisors is an integer number (127921003).

Almost surely, 2^730977140 is an apocalyptic number.

It is an amenable number.

730977140 is an abundant number, since it is smaller than the sum of its proper divisors (804074896).

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

730977140 is a wasteful number, since it uses less digits than its factorization.

730977140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36548866 (or 36548864 counting only the distinct ones).

The product of its (nonzero) digits is 37044, while the sum is 38.

The square root of 730977140 is about 27036.5889120651. The cubic root of 730977140 is about 900.8129034035.

The spelling of 730977140 in words is "seven hundred thirty million, nine hundred seventy-seven thousand, one hundred forty".