70809016 has 16 divisors (see below), whose sum is σ = 133986600. Its totient is φ = 35079264.

The previous prime is 70809001. The next prime is 70809031. The reversal of 70809016 is 61090807.

It is an interprime number because it is at equal distance from previous prime (70809001) and next prime (70809031).

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, 39730 + ... + 41473.

Almost surely, 2^70809016 is an apocalyptic number.

It is an amenable number.

70809016 is a deficient number, since it is larger than the sum of its proper divisors (63177584).

70809016 is a wasteful number, since it uses less digits than its factorization.

70809016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81318 (or 81314 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 31.

The square root of 70809016 is about 8414.8093264197. The cubic root of 70809016 is about 413.7101598779.

The spelling of 70809016 in words is "seventy million, eight hundred nine thousand, sixteen".