70550393 has 2 divisors, whose sum is σ = 70550394. Its totient is φ = 70550392.

The previous prime is 70550377. The next prime is 70550411. The reversal of 70550393 is 39305507.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 55472704 + 15077689 = 7448^2 + 3883^2 .

It is a cyclic number.

It is not a de Polignac number, because 70550393 - 2⁴ = 70550377 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (70550693) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35275196 + 35275197.

It is an arithmetic number, because the mean of its divisors is an integer number (35275197).

Almost surely, 2^70550393 is an apocalyptic number.

It is an amenable number.

70550393 is a deficient number, since it is larger than the sum of its proper divisors (1).

70550393 is an equidigital number, since it uses as much as digits as its factorization.

70550393 is an evil number, because the sum of its binary digits is even.

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

The square root of 70550393 is about 8399.4281352959. The cubic root of 70550393 is about 413.2058667969.

The spelling of 70550393 in words is "seventy million, five hundred fifty thousand, three hundred ninety-three".