70710623 has 2 divisors, whose sum is σ = 70710624. Its totient is φ = 70710622.

The previous prime is 70710611. The next prime is 70710643. The reversal of 70710623 is 32601707.

It is a weak prime.

It is an emirp because it is prime and its reverse (32601707) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 70710623 - 2¹² = 70706527 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 70710592 and 70710601.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70710643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35355311 + 35355312.

It is an arithmetic number, because the mean of its divisors is an integer number (35355312).

Almost surely, 2^70710623 is an apocalyptic number.

70710623 is a deficient number, since it is larger than the sum of its proper divisors (1).

70710623 is an equidigital number, since it uses as much as digits as its factorization.

70710623 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1764, while the sum is 26.

The square root of 70710623 is about 8408.9608751617. The cubic root of 70710623 is about 413.5184467547.

The spelling of 70710623 in words is "seventy million, seven hundred ten thousand, six hundred twenty-three".