70324997 has 2 divisors, whose sum is σ = 70324998. Its totient is φ = 70324996.

The previous prime is 70324979. The next prime is 70325069. The reversal of 70324997 is 79942307.

It is a Cunningham number, because it is equal to 8386²+1.

Together with previous prime (70324979) 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., 70324996 + 1 = 8386^2 + 1^2 .

It is a cyclic number.

It is not a de Polignac number, because 70324997 - 2¹⁴ = 70308613 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 (70324697) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35162498 + 35162499.

It is an arithmetic number, because the mean of its divisors is an integer number (35162499).

Almost surely, 2^70324997 is an apocalyptic number.

It is an amenable number.

70324997 is a deficient number, since it is larger than the sum of its proper divisors (1).

70324997 is an equidigital number, since it uses as much as digits as its factorization.

70324997 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 95256, while the sum is 41.

The square root of 70324997 is about 8386.0000596232. Note that the first 4 decimals coincide. The cubic root of 70324997 is about 412.7653575135.

The spelling of 70324997 in words is "seventy million, three hundred twenty-four thousand, nine hundred ninety-seven".