75070000 has 50 divisors (see below), whose sum is σ = 181776188. Its totient is φ = 30024000.

The previous prime is 75069997. The next prime is 75070001. The reversal of 75070000 is 7057.

It is a tau number, because it is divible by the number of its divisors (50).

It is a self number, because there is not a number n which added to its sum of digits gives 75070000.

It is not an unprimeable number, because it can be changed into a prime (75070001) 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 9 ways as a sum of consecutive naturals, for example, 6247 + ... + 13753.

Almost surely, 2^75070000 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 75070000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90888094).

75070000 is an abundant number, since it is smaller than the sum of its proper divisors (106706188).

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

75070000 is an equidigital number, since it uses as much as digits as its factorization.

75070000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7535 (or 7514 counting only the distinct ones).

The product of its (nonzero) digits is 245, while the sum is 19.

The square root of 75070000 is about 8664.2945471631. The cubic root of 75070000 is about 421.8474924909.

Adding to 75070000 its reverse (7057), we get a palindrome (75077057).

The spelling of 75070000 in words is "seventy-five million, seventy thousand".