70505933 has 2 divisors, whose sum is σ = 70505934. Its totient is φ = 70505932.

The previous prime is 70505917. The next prime is 70505947. The reversal of 70505933 is 33950507.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 51652969 + 18852964 = 7187^2 + 4342^2 .

It is a cyclic number.

It is not a de Polignac number, because 70505933 - 2⁴ = 70505917 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 70505933.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70505983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35252966 + 35252967.

It is an arithmetic number, because the mean of its divisors is an integer number (35252967).

Almost surely, 2^70505933 is an apocalyptic number.

It is an amenable number.

70505933 is a deficient number, since it is larger than the sum of its proper divisors (1).

70505933 is an equidigital number, since it uses as much as digits as its factorization.

70505933 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14175, while the sum is 32.

The square root of 70505933 is about 8396.7811094490. The cubic root of 70505933 is about 413.1190494526.

The spelling of 70505933 in words is "seventy million, five hundred five thousand, nine hundred thirty-three".