70255240 has 32 divisors (see below), whose sum is σ = 172445760. Its totient is φ = 25547200.

The previous prime is 70255231. The next prime is 70255261. The reversal of 70255240 is 4255207.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79396 + ... + 80275.

It is an arithmetic number, because the mean of its divisors is an integer number (5388930).

Almost surely, 2^70255240 is an apocalyptic number.

It is an amenable number.

70255240 is an abundant number, since it is smaller than the sum of its proper divisors (102190520).

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

70255240 is a wasteful number, since it uses less digits than its factorization.

70255240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159693 (or 159689 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 25.

The square root of 70255240 is about 8381.8398934840. The cubic root of 70255240 is about 412.6288351779.

The spelling of 70255240 in words is "seventy million, two hundred fifty-five thousand, two hundred forty".