70447069 has 8 divisors (see below), whose sum is σ = 87830208. Its totient is φ = 54893760.

The previous prime is 70447063. The next prime is 70447073. The reversal of 70447069 is 96074407.

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

It is a cyclic number.

It is not a de Polignac number, because 70447069 - 2⁵ = 70447037 is a prime.

It is a super-2 number, since 2×70447069² = 9925579061381522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70447063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 457372 + ... + 457525.

It is an arithmetic number, because the mean of its divisors is an integer number (10978776).

Almost surely, 2^70447069 is an apocalyptic number.

It is an amenable number.

70447069 is a deficient number, since it is larger than the sum of its proper divisors (17383139).

70447069 is a wasteful number, since it uses less digits than its factorization.

70447069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 914915.

The product of its (nonzero) digits is 42336, while the sum is 37.

The square root of 70447069 is about 8393.2752248452. The cubic root of 70447069 is about 413.0040491525.

The spelling of 70447069 in words is "seventy million, four hundred forty-seven thousand, sixty-nine".