70941523 has 2 divisors, whose sum is σ = 70941524. Its totient is φ = 70941522.

The previous prime is 70941517. The next prime is 70941539. The reversal of 70941523 is 32514907.

It is a weak prime.

It is an emirp because it is prime and its reverse (32514907) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 70941523 - 2⁹ = 70941011 is a prime.

It is not a weakly prime, because it can be changed into another prime (70941553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35470761 + 35470762.

It is an arithmetic number, because the mean of its divisors is an integer number (35470762).

Almost surely, 2^70941523 is an apocalyptic number.

70941523 is a deficient number, since it is larger than the sum of its proper divisors (1).

70941523 is an equidigital number, since it uses as much as digits as its factorization.

70941523 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 70941523 is about 8422.6790868464. The cubic root of 70941523 is about 413.9680617461.

The spelling of 70941523 in words is "seventy million, nine hundred forty-one thousand, five hundred twenty-three".