70679967 has 4 divisors (see below), whose sum is σ = 94239960. Its totient is φ = 47119976.

The previous prime is 70679951. The next prime is 70679977. The reversal of 70679967 is 76997607.

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

It is a cyclic number.

It is not a de Polignac number, because 70679967 - 2⁴ = 70679951 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70679927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11779992 + ... + 11779997.

It is an arithmetic number, because the mean of its divisors is an integer number (23559990).

Almost surely, 2^70679967 is an apocalyptic number.

70679967 is a deficient number, since it is larger than the sum of its proper divisors (23559993).

70679967 is a wasteful number, since it uses less digits than its factorization.

70679967 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23559992.

The product of its (nonzero) digits is 1000188, while the sum is 51.

The square root of 70679967 is about 8407.1378601757. The cubic root of 70679967 is about 413.4586789604.

The spelling of 70679967 in words is "seventy million, six hundred seventy-nine thousand, nine hundred sixty-seven".