70712897 has 2 divisors, whose sum is σ = 70712898. Its totient is φ = 70712896.

The previous prime is 70712869. The next prime is 70712921. The reversal of 70712897 is 79821707.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42823936 + 27888961 = 6544^2 + 5281^2 .

It is a cyclic number.

It is not a de Polignac number, because 70712897 - 2¹⁶ = 70647361 is a prime.

It is not a weakly prime, because it can be changed into another prime (70718897) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35356448 + 35356449.

It is an arithmetic number, because the mean of its divisors is an integer number (35356449).

Almost surely, 2^70712897 is an apocalyptic number.

It is an amenable number.

70712897 is a deficient number, since it is larger than the sum of its proper divisors (1).

70712897 is an equidigital number, since it uses as much as digits as its factorization.

70712897 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 49392, while the sum is 41.

The square root of 70712897 is about 8409.0960869763. The cubic root of 70712897 is about 413.5228795204.

The spelling of 70712897 in words is "seventy million, seven hundred twelve thousand, eight hundred ninety-seven".