70317493 has 2 divisors, whose sum is σ = 70317494. Its totient is φ = 70317492.

The previous prime is 70317479. The next prime is 70317497. The reversal of 70317493 is 39471307.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 66699889 + 3617604 = 8167^2 + 1902^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-70317493 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70317497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35158746 + 35158747.

It is an arithmetic number, because the mean of its divisors is an integer number (35158747).

Almost surely, 2^70317493 is an apocalyptic number.

It is an amenable number.

70317493 is a deficient number, since it is larger than the sum of its proper divisors (1).

70317493 is an equidigital number, since it uses as much as digits as its factorization.

70317493 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15876, while the sum is 34.

The square root of 70317493 is about 8385.5526353366. The cubic root of 70317493 is about 412.7506756718.

The spelling of 70317493 in words is "seventy million, three hundred seventeen thousand, four hundred ninety-three".