70605369 has 24 divisors (see below), whose sum is σ = 108311112. Its totient is φ = 44167680.

The previous prime is 70605347. The next prime is 70605371. The reversal of 70605369 is 96350607.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 3283344 + 67322025 = 1812^2 + 8205^2 .

It is not a de Polignac number, because 70605369 - 2²³ = 62216761 is a prime.

It is a super-2 number, since 2×70605369² = 9970236263252322, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (70605329) 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 23 ways as a sum of consecutive naturals, for example, 82347 + ... + 83199.

It is an arithmetic number, because the mean of its divisors is an integer number (4512963).

Almost surely, 2^70605369 is an apocalyptic number.

It is an amenable number.

70605369 is a deficient number, since it is larger than the sum of its proper divisors (37705743).

70605369 is a wasteful number, since it uses less digits than its factorization.

70605369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1417 (or 1414 counting only the distinct ones).

The product of its (nonzero) digits is 34020, while the sum is 36.

The square root of 70605369 is about 8402.7001017530. The cubic root of 70605369 is about 413.3131683855.

The spelling of 70605369 in words is "seventy million, six hundred five thousand, three hundred sixty-nine".