997302570 has 48 divisors (see below), whose sum is σ = 2630910240. Its totient is φ = 241769440.

The previous prime is 997302511. The next prime is 997302577. The reversal of 997302570 is 75203799.

997302570 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×997302570² = 1989224832257209800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (997302577) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 133740 + ... + 140999.

It is an arithmetic number, because the mean of its divisors is an integer number (54810630).

Almost surely, 2^997302570 is an apocalyptic number.

997302570 is an abundant number, since it is smaller than the sum of its proper divisors (1633607670).

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

997302570 is a wasteful number, since it uses less digits than its factorization.

997302570 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274771 (or 274760 counting only the distinct ones).

The product of its (nonzero) digits is 119070, while the sum is 42.

The square root of 997302570 is about 31580.0976882593. The cubic root of 997302570 is about 999.1000469942.

The spelling of 997302570 in words is "nine hundred ninety-seven million, three hundred two thousand, five hundred seventy".