70726673 has 2 divisors, whose sum is σ = 70726674. Its totient is φ = 70726672.

The previous prime is 70726651. The next prime is 70726693. The reversal of 70726673 is 37662707.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 62615569 + 8111104 = 7913^2 + 2848^2 .

It is a cyclic number.

It is not a de Polignac number, because 70726673 - 2²² = 66532369 is a prime.

It is not a weakly prime, because it can be changed into another prime (70726603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35363336 + 35363337.

It is an arithmetic number, because the mean of its divisors is an integer number (35363337).

Almost surely, 2^70726673 is an apocalyptic number.

It is an amenable number.

70726673 is a deficient number, since it is larger than the sum of its proper divisors (1).

70726673 is an equidigital number, since it uses as much as digits as its factorization.

70726673 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 74088, while the sum is 38.

The square root of 70726673 is about 8409.9151600953. The cubic root of 70726673 is about 413.5497313939.

The spelling of 70726673 in words is "seventy million, seven hundred twenty-six thousand, six hundred seventy-three".