63070091 has 8 divisors (see below), whose sum is σ = 72498144. Its totient is φ = 53746560.

The previous prime is 63070087. The next prime is 63070097. The reversal of 63070091 is 19007036.

It is a happy number.

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

It is not a de Polignac number, because 63070091 - 2² = 63070087 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 63070091.

It is not an unprimeable number, because it can be changed into a prime (63070097) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24830 + ... + 27251.

It is an arithmetic number, because the mean of its divisors is an integer number (9062268).

Almost surely, 2^63070091 is an apocalyptic number.

63070091 is a deficient number, since it is larger than the sum of its proper divisors (9428053).

63070091 is a wasteful number, since it uses less digits than its factorization.

63070091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52261.

The product of its (nonzero) digits is 1134, while the sum is 26.

The square root of 63070091 is about 7941.6680237844. The cubic root of 63070091 is about 398.0532301724.

The spelling of 63070091 in words is "sixty-three million, seventy thousand, ninety-one".