70996667 has 4 divisors (see below), whose sum is σ = 81139056. Its totient is φ = 60854280.

The previous prime is 70996643. The next prime is 70996687. The reversal of 70996667 is 76669907.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-70996667 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70996687) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5071184 + ... + 5071197.

It is an arithmetic number, because the mean of its divisors is an integer number (20284764).

Almost surely, 2^70996667 is an apocalyptic number.

70996667 is a deficient number, since it is larger than the sum of its proper divisors (10142389).

70996667 is a wasteful number, since it uses less digits than its factorization.

70996667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10142388.

The product of its (nonzero) digits is 857304, while the sum is 50.

The square root of 70996667 is about 8425.9519936919. The cubic root of 70996667 is about 414.0752953359.

The spelling of 70996667 in words is "seventy million, nine hundred ninety-six thousand, six hundred sixty-seven".