70216037 has 2 divisors, whose sum is σ = 70216038. Its totient is φ = 70216036.

The previous prime is 70216031. The next prime is 70216061. The reversal of 70216037 is 73061207.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 41977441 + 28238596 = 6479^2 + 5314^2 .

It is a cyclic number.

It is not a de Polignac number, because 70216037 - 2⁴ = 70216021 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 70215997 and 70216015.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70216031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35108018 + 35108019.

It is an arithmetic number, because the mean of its divisors is an integer number (35108019).

Almost surely, 2^70216037 is an apocalyptic number.

It is an amenable number.

70216037 is a deficient number, since it is larger than the sum of its proper divisors (1).

70216037 is an equidigital number, since it uses as much as digits as its factorization.

70216037 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1764, while the sum is 26.

The square root of 70216037 is about 8379.5009994629. The cubic root of 70216037 is about 412.5520708066.

The spelling of 70216037 in words is "seventy million, two hundred sixteen thousand, thirty-seven".