70663522 has 8 divisors (see below), whose sum is σ = 107995356. Its totient is φ = 34665072.

The previous prime is 70663499. The next prime is 70663547. The reversal of 70663522 is 22536607.

It can be written as a sum of positive squares in 2 ways, for example, as 66896041 + 3767481 = 8179^2 + 1941^2 .

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

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, 333213 + ... + 333424.

Almost surely, 2^70663522 is an apocalyptic number.

70663522 is a deficient number, since it is larger than the sum of its proper divisors (37331834).

70663522 is a wasteful number, since it uses less digits than its factorization.

70663522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 666692.

The product of its (nonzero) digits is 15120, while the sum is 31.

The square root of 70663522 is about 8406.1597653150. The cubic root of 70663522 is about 413.4266102066.

The spelling of 70663522 in words is "seventy million, six hundred sixty-three thousand, five hundred twenty-two".