70386869 has 8 divisors (see below), whose sum is σ = 80496960. Its totient is φ = 60290496.

The previous prime is 70386853. The next prime is 70386929. The reversal of 70386869 is 96868307.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 70386869 - 2⁴ = 70386853 is a prime.

It is a super-2 number, since 2×70386869² = 9908622655246322, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70386269) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12542 + ... + 17264.

It is an arithmetic number, because the mean of its divisors is an integer number (10062120).

Almost surely, 2^70386869 is an apocalyptic number.

It is an amenable number.

70386869 is a deficient number, since it is larger than the sum of its proper divisors (10110091).

70386869 is a wasteful number, since it uses less digits than its factorization.

70386869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6859.

The product of its (nonzero) digits is 435456, while the sum is 47.

The square root of 70386869 is about 8389.6882540414. The cubic root of 70386869 is about 412.8863724836.

The spelling of 70386869 in words is "seventy million, three hundred eighty-six thousand, eight hundred sixty-nine".