70816698 has 12 divisors (see below), whose sum is σ = 153436218. Its totient is φ = 23605560.

The previous prime is 70816673. The next prime is 70816763. The reversal of 70816698 is 89661807.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 43599609 + 27217089 = 6603^2 + 5217^2 .

It is a Curzon 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 5 ways as a sum of consecutive naturals, for example, 1967113 + ... + 1967148.

Almost surely, 2^70816698 is an apocalyptic number.

70816698 is an abundant number, since it is smaller than the sum of its proper divisors (82619520).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

70816698 is a wasteful number, since it uses less digits than its factorization.

70816698 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3934269 (or 3934266 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 45.

The square root of 70816698 is about 8415.2657712041. The cubic root of 70816698 is about 413.7251203387.

The spelling of 70816698 in words is "seventy million, eight hundred sixteen thousand, six hundred ninety-eight".