70087037 has 2 divisors, whose sum is σ = 70087038. Its totient is φ = 70087036.

The previous prime is 70087009. The next prime is 70087051. The reversal of 70087037 is 73078007.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 43811161 + 26275876 = 6619^2 + 5126^2 .

It is an emirp because it is prime and its reverse (73078007) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 70087037 - 2¹⁰ = 70086013 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 70086994 and 70087012.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70087057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35043518 + 35043519.

It is an arithmetic number, because the mean of its divisors is an integer number (35043519).

Almost surely, 2^70087037 is an apocalyptic number.

It is an amenable number.

70087037 is a deficient number, since it is larger than the sum of its proper divisors (1).

70087037 is an equidigital number, since it uses as much as digits as its factorization.

70087037 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8232, while the sum is 32.

The square root of 70087037 is about 8371.8001051148. The cubic root of 70087037 is about 412.2992708104.

The spelling of 70087037 in words is "seventy million, eighty-seven thousand, thirty-seven".