997070 has 8 divisors (see below), whose sum is σ = 1794744. Its totient is φ = 398824.

The previous prime is 997069. The next prime is 997081. The reversal of 997070 is 70799.

It is a sphenic number, since it is the product of 3 distinct primes.

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 3 ways as a sum of consecutive naturals, for example, 49844 + ... + 49863.

It is an arithmetic number, because the mean of its divisors is an integer number (224343).

2⁹⁹⁷⁰⁷⁰ is an apocalyptic number.

997070 is a deficient number, since it is larger than the sum of its proper divisors (797674).

997070 is a wasteful number, since it uses less digits than its factorization.

997070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99714.

The product of its (nonzero) digits is 3969, while the sum is 32.

The square root of 997070 is about 998.5339253125. The cubic root of 997070 is about 99.9022377900.

It can be divided in two parts, 9 and 97070, that added together give a palindrome (97079).

The spelling of 997070 in words is "nine hundred ninety-seven thousand, seventy".