70609000 has 192 divisors, whose sum is σ = 211273920. Its totient is φ = 21840000.

The previous prime is 70608983. The next prime is 70609027. The reversal of 70609000 is 90607.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 538935 + ... + 539065.

It is an arithmetic number, because the mean of its divisors is an integer number (1100385).

Almost surely, 2^70609000 is an apocalyptic number.

70609000 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70609000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (105636960).

70609000 is an abundant number, since it is smaller than the sum of its proper divisors (140664920).

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

70609000 is a wasteful number, since it uses less digits than its factorization.

70609000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177 (or 156 counting only the distinct ones).

The product of its (nonzero) digits is 378, while the sum is 22.

The square root of 70609000 is about 8402.9161604767. The cubic root of 70609000 is about 413.3202533727.

Adding to 70609000 its reverse (90607), we get a palindrome (70699607).

The spelling of 70609000 in words is "seventy million, six hundred nine thousand".