70680895 has 4 divisors (see below), whose sum is σ = 84817080. Its totient is φ = 56544712.

The previous prime is 70680877. The next prime is 70680937. The reversal of 70680895 is 59808607.

It is a happy number.

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 70680895 - 2²¹ = 68583743 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7068085 + ... + 7068094.

It is an arithmetic number, because the mean of its divisors is an integer number (21204270).

Almost surely, 2^70680895 is an apocalyptic number.

70680895 is a deficient number, since it is larger than the sum of its proper divisors (14136185).

70680895 is a wasteful number, since it uses less digits than its factorization.

70680895 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14136184.

The product of its (nonzero) digits is 120960, while the sum is 43.

The square root of 70680895 is about 8407.1930511913. The cubic root of 70680895 is about 413.4604884687.

The spelling of 70680895 in words is "seventy million, six hundred eighty thousand, eight hundred ninety-five".