997064071 has 4 divisors (see below), whose sum is σ = 997133544. Its totient is φ = 996994600.

The previous prime is 997064027. The next prime is 997064077. The reversal of 997064071 is 170460799.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 997064071 - 2¹³ = 997055879 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (997064077) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4345 + ... + 44866.

It is an arithmetic number, because the mean of its divisors is an integer number (249283386).

Almost surely, 2^997064071 is an apocalyptic number.

997064071 is a deficient number, since it is larger than the sum of its proper divisors (69473).

997064071 is a wasteful number, since it uses less digits than its factorization.

997064071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69472.

The product of its (nonzero) digits is 95256, while the sum is 43.

The square root of 997064071 is about 31576.3213658589. The cubic root of 997064071 is about 999.0203976927.

The spelling of 997064071 in words is "nine hundred ninety-seven million, sixty-four thousand, seventy-one".