70331165 has 4 divisors (see below), whose sum is σ = 84397404. Its totient is φ = 56264928.

The previous prime is 70331099. The next prime is 70331189. The reversal of 70331165 is 56113307.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 46963609 + 23367556 = 6853^2 + 4834^2 .

It is a cyclic number.

It is not a de Polignac number, because 70331165 - 2¹² = 70327069 is a prime.

It is a Duffinian number.

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, 7033112 + ... + 7033121.

It is an arithmetic number, because the mean of its divisors is an integer number (21099351).

Almost surely, 2^70331165 is an apocalyptic number.

It is an amenable number.

70331165 is a deficient number, since it is larger than the sum of its proper divisors (14066239).

70331165 is a wasteful number, since it uses less digits than its factorization.

70331165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14066238.

The product of its (nonzero) digits is 1890, while the sum is 26.

The square root of 70331165 is about 8386.3678073407. The cubic root of 70331165 is about 412.7774246419. Note that the first 3 decimals are identical.

The spelling of 70331165 in words is "seventy million, three hundred thirty-one thousand, one hundred sixty-five".