70087097 has 2 divisors, whose sum is σ = 70087098. Its totient is φ = 70087096.

The previous prime is 70087093. The next prime is 70087111. The reversal of 70087097 is 79078007.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 70073641 + 13456 = 8371^2 + 116^2 .

It is a cyclic number.

It is not a de Polignac number, because 70087097 - 2² = 70087093 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 70087097.

It is not a weakly prime, because it can be changed into another prime (70087093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35043548 + 35043549.

It is an arithmetic number, because the mean of its divisors is an integer number (35043549).

Almost surely, 2^70087097 is an apocalyptic number.

It is an amenable number.

70087097 is a deficient number, since it is larger than the sum of its proper divisors (1).

70087097 is an equidigital number, since it uses as much as digits as its factorization.

70087097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24696, while the sum is 38.

The square root of 70087097 is about 8371.8036885727. The cubic root of 70087097 is about 412.2993884638.

The spelling of 70087097 in words is "seventy million, eighty-seven thousand, ninety-seven".