70532000 has 192 divisors, whose sum is σ = 217002240. Its totient is φ = 21888000.

The previous prime is 70531999. The next prime is 70532003. The reversal of 70532000 is 23507.

It is a self number, because there is not a number n which added to its sum of digits gives 70532000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70532003) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 307886 + ... + 308114.

It is an arithmetic number, because the mean of its divisors is an integer number (1130220).

Almost surely, 2^70532000 is an apocalyptic number.

70532000 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 70532000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (108501120).

70532000 is an abundant number, since it is smaller than the sum of its proper divisors (146470240).

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

70532000 is a wasteful number, since it uses less digits than its factorization.

70532000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272 (or 254 counting only the distinct ones).

The product of its (nonzero) digits is 210, while the sum is 17.

The square root of 70532000 is about 8398.3331679566. Note that the first 3 decimals coincide. The cubic root of 70532000 is about 413.1699550854.

Adding to 70532000 its reverse (23507), we get a palindrome (70555507).

The spelling of 70532000 in words is "seventy million, five hundred thirty-two thousand".