70378269 has 16 divisors (see below), whose sum is σ = 101337600. Its totient is φ = 43189056.

The previous prime is 70378267. The next prime is 70378289. The reversal of 70378269 is 96287307.

It is not a de Polignac number, because 70378269 - 2¹ = 70378267 is a prime.

It is a super-2 number, since 2×70378269² = 9906201494872722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 70378269.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70378267) 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 15 ways as a sum of consecutive naturals, for example, 12852 + ... + 17490.

It is an arithmetic number, because the mean of its divisors is an integer number (6333600).

Almost surely, 2^70378269 is an apocalyptic number.

It is an amenable number.

70378269 is a deficient number, since it is larger than the sum of its proper divisors (30959331).

70378269 is a wasteful number, since it uses less digits than its factorization.

70378269 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5044.

The product of its (nonzero) digits is 127008, while the sum is 42.

The square root of 70378269 is about 8389.1757044420. The cubic root of 70378269 is about 412.8695560543.

The spelling of 70378269 in words is "seventy million, three hundred seventy-eight thousand, two hundred sixty-nine".