70561793 has 2 divisors, whose sum is σ = 70561794. Its totient is φ = 70561792.

The previous prime is 70561741. The next prime is 70561819. The reversal of 70561793 is 39716507.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 61277584 + 9284209 = 7828^2 + 3047^2 .

It is a cyclic number.

It is not a de Polignac number, because 70561793 - 2²⁶ = 3452929 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (70561093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35280896 + 35280897.

It is an arithmetic number, because the mean of its divisors is an integer number (35280897).

Almost surely, 2^70561793 is an apocalyptic number.

It is an amenable number.

70561793 is a deficient number, since it is larger than the sum of its proper divisors (1).

70561793 is an equidigital number, since it uses as much as digits as its factorization.

70561793 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 39690, while the sum is 38.

The square root of 70561793 is about 8400.1067255125. The cubic root of 70561793 is about 413.2281217789.

The spelling of 70561793 in words is "seventy million, five hundred sixty-one thousand, seven hundred ninety-three".