70617226 has 4 divisors (see below), whose sum is σ = 105925842. Its totient is φ = 35308612.

The previous prime is 70617191. The next prime is 70617229. The reversal of 70617226 is 62271607.

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

It can be written as a sum of positive squares in only one way, i.e., 62489025 + 8128201 = 7905^2 + 2851^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (70617229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17654305 + ... + 17654308.

Almost surely, 2^70617226 is an apocalyptic number.

70617226 is a deficient number, since it is larger than the sum of its proper divisors (35308616).

70617226 is a wasteful number, since it uses less digits than its factorization.

70617226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35308615.

The product of its (nonzero) digits is 7056, while the sum is 31.

The square root of 70617226 is about 8403.4056191523. The cubic root of 70617226 is about 413.3363034530.

The spelling of 70617226 in words is "seventy million, six hundred seventeen thousand, two hundred twenty-six".