70673297 has 2 divisors, whose sum is σ = 70673298. Its totient is φ = 70673296.

The previous prime is 70673287. The next prime is 70673371. The reversal of 70673297 is 79237607.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 56415121 + 14258176 = 7511^2 + 3776^2 .

It is an emirp because it is prime and its reverse (79237607) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-70673297 is a prime.

It is not a weakly prime, because it can be changed into another prime (70673257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35336648 + 35336649.

It is an arithmetic number, because the mean of its divisors is an integer number (35336649).

Almost surely, 2^70673297 is an apocalyptic number.

It is an amenable number.

70673297 is a deficient number, since it is larger than the sum of its proper divisors (1).

70673297 is an equidigital number, since it uses as much as digits as its factorization.

70673297 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 111132, while the sum is 41.

The square root of 70673297 is about 8406.7411640897. The cubic root of 70673297 is about 413.4456726529.

The spelling of 70673297 in words is "seventy million, six hundred seventy-three thousand, two hundred ninety-seven".