70869923 has 8 divisors (see below), whose sum is σ = 78301728. Its totient is φ = 63800704.

The previous prime is 70869919. The next prime is 70869949. The reversal of 70869923 is 32996807.

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 70869923 - 2² = 70869919 is a prime.

It is not an unprimeable number, because it can be changed into a prime (70869973) 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 7 ways as a sum of consecutive naturals, for example, 90236 + ... + 91017.

It is an arithmetic number, because the mean of its divisors is an integer number (9787716).

Almost surely, 2^70869923 is an apocalyptic number.

70869923 is a deficient number, since it is larger than the sum of its proper divisors (7431805).

70869923 is a wasteful number, since it uses less digits than its factorization.

70869923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181293.

The product of its (nonzero) digits is 163296, while the sum is 44.

The square root of 70869923 is about 8418.4275847690. The cubic root of 70869923 is about 413.8287446988.

The spelling of 70869923 in words is "seventy million, eight hundred sixty-nine thousand, nine hundred twenty-three".