70552393 has 2 divisors, whose sum is σ = 70552394. Its totient is φ = 70552392.

The previous prime is 70552367. The next prime is 70552399. The reversal of 70552393 is 39325507.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 50865424 + 19686969 = 7132^2 + 4437^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-70552393 is a prime.

It is not a weakly prime, because it can be changed into another prime (70552399) 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, 35276196 + 35276197.

It is an arithmetic number, because the mean of its divisors is an integer number (35276197).

Almost surely, 2^70552393 is an apocalyptic number.

It is an amenable number.

70552393 is a deficient number, since it is larger than the sum of its proper divisors (1).

70552393 is an equidigital number, since it uses as much as digits as its factorization.

70552393 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28350, while the sum is 34.

The square root of 70552393 is about 8399.5471901764. The cubic root of 70552393 is about 413.2097713531.

The spelling of 70552393 in words is "seventy million, five hundred fifty-two thousand, three hundred ninety-three".