70023000 has 128 divisors (see below), whose sum is σ = 231491520. Its totient is φ = 17561600.

The previous prime is 70022959. The next prime is 70023001. The reversal of 70023000 is 32007.

It is a super-3 number, since 3×70023000³ (a number of 25 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70023001) 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 31 ways as a sum of consecutive naturals, for example, 50314 + ... + 51686.

Almost surely, 2^70023000 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70023000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (115745760).

70023000 is an abundant number, since it is smaller than the sum of its proper divisors (161468520).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

70023000 is a wasteful number, since it uses less digits than its factorization.

70023000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1414 (or 1400 counting only the distinct ones).

The product of its (nonzero) digits is 42, while the sum is 12.

The square root of 70023000 is about 8367.9746653536. The cubic root of 70023000 is about 412.1736629247.

Adding to 70023000 its reverse (32007), we get a palindrome (70055007).

The spelling of 70023000 in words is "seventy million, twenty-three thousand".