70432000 has 144 divisors (see below), whose sum is σ = 183665664. Its totient is φ = 26880000.

The previous prime is 70431997. The next prime is 70432007. The reversal of 70432000 is 23407.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70432007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 991965 + ... + 992035.

It is an arithmetic number, because the mean of its divisors is an integer number (1275456).

Almost surely, 2^70432000 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 70432000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91832832).

70432000 is an abundant number, since it is smaller than the sum of its proper divisors (113233664).

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

70432000 is an equidigital number, since it uses as much as digits as its factorization.

70432000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133 (or 109 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 16.

The square root of 70432000 is about 8392.3774938929. The cubic root of 70432000 is about 412.9745991370.

Adding to 70432000 its reverse (23407), we get a palindrome (70455407).

The spelling of 70432000 in words is "seventy million, four hundred thirty-two thousand".