70606597 has 4 divisors (see below), whose sum is σ = 70764300. Its totient is φ = 70448896.

The previous prime is 70606567. The next prime is 70606609. The reversal of 70606597 is 79560607.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 17986081 + 52620516 = 4241^2 + 7254^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-70606597 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70606507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78178 + ... + 79075.

It is an arithmetic number, because the mean of its divisors is an integer number (17691075).

Almost surely, 2^70606597 is an apocalyptic number.

It is an amenable number.

70606597 is a deficient number, since it is larger than the sum of its proper divisors (157703).

70606597 is a wasteful number, since it uses less digits than its factorization.

70606597 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157702.

The product of its (nonzero) digits is 79380, while the sum is 40.

The square root of 70606597 is about 8402.7731731851. The cubic root of 70606597 is about 413.3155645472.

The spelling of 70606597 in words is "seventy million, six hundred six thousand, five hundred ninety-seven".