70875450 has 72 divisors (see below), whose sum is σ = 191505600. Its totient is φ = 18792480.

The previous prime is 70875419. The next prime is 70875451. The reversal of 70875450 is 5457807.

It is not an unprimeable number, because it can be changed into a prime (70875451) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 107221 + ... + 107879.

It is an arithmetic number, because the mean of its divisors is an integer number (2659800).

Almost surely, 2^70875450 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70875450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (95752800).

70875450 is an abundant number, since it is smaller than the sum of its proper divisors (120630150).

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

70875450 is a wasteful number, since it uses less digits than its factorization.

70875450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 916 (or 908 counting only the distinct ones).

The product of its (nonzero) digits is 39200, while the sum is 36.

The square root of 70875450 is about 8418.7558463231. The cubic root of 70875450 is about 413.8395023043.

The spelling of 70875450 in words is "seventy million, eight hundred seventy-five thousand, four hundred fifty".