70672079 has 2 divisors, whose sum is σ = 70672080. Its totient is φ = 70672078.

The previous prime is 70672027. The next prime is 70672097. The reversal of 70672079 is 97027607.

Together with next prime (70672097) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-70672079 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70672279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35336039 + 35336040.

It is an arithmetic number, because the mean of its divisors is an integer number (35336040).

Almost surely, 2^70672079 is an apocalyptic number.

70672079 is a deficient number, since it is larger than the sum of its proper divisors (1).

70672079 is an equidigital number, since it uses as much as digits as its factorization.

70672079 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 70672079 is about 8406.6687219136. The cubic root of 70672079 is about 413.4432974997.

The spelling of 70672079 in words is "seventy million, six hundred seventy-two thousand, seventy-nine".