70516667 has 4 divisors (see below), whose sum is σ = 75941040. Its totient is φ = 65092296.

The previous prime is 70516637. The next prime is 70516673. The reversal of 70516667 is 76661507.

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 70516667 - 2¹⁶ = 70451131 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 70516667.

It is not an unprimeable number, because it can be changed into a prime (70516637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2712167 + ... + 2712192.

It is an arithmetic number, because the mean of its divisors is an integer number (18985260).

Almost surely, 2^70516667 is an apocalyptic number.

70516667 is a deficient number, since it is larger than the sum of its proper divisors (5424373).

70516667 is a wasteful number, since it uses less digits than its factorization.

70516667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5424372.

The product of its (nonzero) digits is 52920, while the sum is 38.

The square root of 70516667 is about 8397.4202586271. The cubic root of 70516667 is about 413.1400131487.

The spelling of 70516667 in words is "seventy million, five hundred sixteen thousand, six hundred sixty-seven".