70736123 has 2 divisors, whose sum is σ = 70736124. Its totient is φ = 70736122.

The previous prime is 70736089. The next prime is 70736129. The reversal of 70736123 is 32163707.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 70736123 - 2⁶ = 70736059 is a prime.

It is a super-2 number, since 2×70736123² = 10007198194142258, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (70736129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35368061 + 35368062.

It is an arithmetic number, because the mean of its divisors is an integer number (35368062).

Almost surely, 2^70736123 is an apocalyptic number.

70736123 is a deficient number, since it is larger than the sum of its proper divisors (1).

70736123 is an equidigital number, since it uses as much as digits as its factorization.

70736123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5292, while the sum is 29.

The square root of 70736123 is about 8410.4769781505. The cubic root of 70736123 is about 413.5681491079.

The spelling of 70736123 in words is "seventy million, seven hundred thirty-six thousand, one hundred twenty-three".