70838369 has 12 divisors (see below), whose sum is σ = 83961684. Its totient is φ = 59570784.

The previous prime is 70838359. The next prime is 70838377. The reversal of 70838369 is 96383807.

It can be written as a sum of positive squares in 2 ways, for example, as 32547025 + 38291344 = 5705^2 + 6188^2 .

It is not a de Polignac number, because 70838369 - 2⁸ = 70838113 is a prime.

It is a super-2 number, since 2×70838369² = 10036149045160322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70838309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11042 + ... + 16235.

It is an arithmetic number, because the mean of its divisors is an integer number (6996807).

Almost surely, 2^70838369 is an apocalyptic number.

It is an amenable number.

70838369 is a deficient number, since it is larger than the sum of its proper divisors (13123315).

70838369 is a wasteful number, since it uses less digits than its factorization.

70838369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27344 (or 27337 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 44.

The square root of 70838369 is about 8416.5532731635. The cubic root of 70838369 is about 413.7673181203.

The spelling of 70838369 in words is "seventy million, eight hundred thirty-eight thousand, three hundred sixty-nine".