70672097 has 2 divisors, whose sum is σ = 70672098. Its totient is φ = 70672096.

The previous prime is 70672079. The next prime is 70672117. The reversal of 70672097 is 79027607.

Together with previous prime (70672079) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 62742241 + 7929856 = 7921^2 + 2816^2 .

It is an emirp because it is prime and its reverse (79027607) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 70672097 - 2¹² = 70668001 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 70672097.

It is not a weakly prime, because it can be changed into another prime (70672027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35336048 + 35336049.

It is an arithmetic number, because the mean of its divisors is an integer number (35336049).

Almost surely, 2^70672097 is an apocalyptic number.

It is an amenable number.

70672097 is a deficient number, since it is larger than the sum of its proper divisors (1).

70672097 is an equidigital number, since it uses as much as digits as its factorization.

70672097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 37044, while the sum is 38.

The square root of 70672097 is about 8406.6697924921. The cubic root of 70672097 is about 413.4433326007.

The spelling of 70672097 in words is "seventy million, six hundred seventy-two thousand, ninety-seven".