70738693 has 2 divisors, whose sum is σ = 70738694. Its totient is φ = 70738692.

The previous prime is 70738687. The next prime is 70738721. The reversal of 70738693 is 39683707.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38725729 + 32012964 = 6223^2 + 5658^2 .

It is a cyclic number.

It is not a de Polignac number, because 70738693 - 2²¹ = 68641541 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70738643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35369346 + 35369347.

It is an arithmetic number, because the mean of its divisors is an integer number (35369347).

Almost surely, 2^70738693 is an apocalyptic number.

It is an amenable number.

70738693 is a deficient number, since it is larger than the sum of its proper divisors (1).

70738693 is an equidigital number, since it uses as much as digits as its factorization.

70738693 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 190512, while the sum is 43.

The square root of 70738693 is about 8410.6297623900. The cubic root of 70738693 is about 413.5731576629.

The spelling of 70738693 in words is "seventy million, seven hundred thirty-eight thousand, six hundred ninety-three".