70715667 has 12 divisors (see below), whose sum is σ = 103638920. Its totient is φ = 42857760.

The previous prime is 70715657. The next prime is 70715669. The reversal of 70715667 is 76651707.

It is not a de Polignac number, because 70715667 - 2¹⁹ = 70191379 is a prime.

It is not an unprimeable number, because it can be changed into a prime (70715669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 97042 + ... + 97767.

Almost surely, 2^70715667 is an apocalyptic number.

70715667 is a deficient number, since it is larger than the sum of its proper divisors (32923253).

70715667 is a wasteful number, since it uses less digits than its factorization.

70715667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194834 (or 194823 counting only the distinct ones).

The product of its (nonzero) digits is 61740, while the sum is 39.

The square root of 70715667 is about 8409.2607879647. The cubic root of 70715667 is about 413.5282790230.

The spelling of 70715667 in words is "seventy million, seven hundred fifteen thousand, six hundred sixty-seven".