70216735 has 4 divisors (see below), whose sum is σ = 84260088. Its totient is φ = 56173384.

The previous prime is 70216703. The next prime is 70216753. The reversal of 70216735 is 53761207.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 53761207 = 1091 ⋅49277.

It is a cyclic number.

It is not a de Polignac number, because 70216735 - 2⁵ = 70216703 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 70216697 and 70216706.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7021669 + ... + 7021678.

It is an arithmetic number, because the mean of its divisors is an integer number (21065022).

Almost surely, 2^70216735 is an apocalyptic number.

70216735 is a deficient number, since it is larger than the sum of its proper divisors (14043353).

70216735 is a wasteful number, since it uses less digits than its factorization.

70216735 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14043352.

The product of its (nonzero) digits is 8820, while the sum is 31.

The square root of 70216735 is about 8379.5426486175. The cubic root of 70216735 is about 412.5534378276.

The spelling of 70216735 in words is "seventy million, two hundred sixteen thousand, seven hundred thirty-five".