70537723 has 2 divisors, whose sum is σ = 70537724. Its totient is φ = 70537722.

The previous prime is 70537703. The next prime is 70537771. The reversal of 70537723 is 32773507.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 70537723 - 2⁹ = 70537211 is a prime.

It is not a weakly prime, because it can be changed into another prime (70537703) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35268861 + 35268862.

It is an arithmetic number, because the mean of its divisors is an integer number (35268862).

Almost surely, 2^70537723 is an apocalyptic number.

70537723 is a deficient number, since it is larger than the sum of its proper divisors (1).

70537723 is an equidigital number, since it uses as much as digits as its factorization.

70537723 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30870, while the sum is 34.

The square root of 70537723 is about 8398.6738834175. The cubic root of 70537723 is about 413.1811297187.

The spelling of 70537723 in words is "seventy million, five hundred thirty-seven thousand, seven hundred twenty-three".