70390597 has 2 divisors, whose sum is σ = 70390598. Its totient is φ = 70390596.

The previous prime is 70390589. The next prime is 70390601. The reversal of 70390597 is 79509307.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 50041476 + 20349121 = 7074^2 + 4511^2 .

It is a cyclic number.

It is not a de Polignac number, because 70390597 - 2³ = 70390589 is a prime.

It is a super-2 number, since 2×70390597² = 9909672292032818, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70390547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35195298 + 35195299.

It is an arithmetic number, because the mean of its divisors is an integer number (35195299).

Almost surely, 2^70390597 is an apocalyptic number.

It is an amenable number.

70390597 is a deficient number, since it is larger than the sum of its proper divisors (1).

70390597 is an equidigital number, since it uses as much as digits as its factorization.

70390597 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 59535, while the sum is 40.

The square root of 70390597 is about 8389.9104286041. The cubic root of 70390597 is about 412.8936617846.

The spelling of 70390597 in words is "seventy million, three hundred ninety thousand, five hundred ninety-seven".