70056250 has 48 divisors (see below), whose sum is σ = 143428320. Its totient is φ = 25450000.

The previous prime is 70056247. The next prime is 70056251. The reversal of 70056250 is 5265007.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (70056251) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 68241 + ... + 69259.

It is an arithmetic number, because the mean of its divisors is an integer number (2988090).

Almost surely, 2^70056250 is an apocalyptic number.

70056250 is an abundant number, since it is smaller than the sum of its proper divisors (73372070).

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

70056250 is a wasteful number, since it uses less digits than its factorization.

70056250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1057 (or 1037 counting only the distinct ones).

The product of its (nonzero) digits is 2100, while the sum is 25.

The square root of 70056250 is about 8369.9611707582. The cubic root of 70056250 is about 412.2388919954.

The spelling of 70056250 in words is "seventy million, fifty-six thousand, two hundred fifty".