70250000 has 70 divisors (see below), whose sum is σ = 170740002. Its totient is φ = 28000000.

The previous prime is 70249997. The next prime is 70250023. The reversal of 70250000 is 5207.

It can be written as a sum of positive squares in 7 ways, for example, as 70023424 + 226576 = 8368^2 + 476^2 .

It is an unprimeable number.

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 13 ways as a sum of consecutive naturals, for example, 249860 + ... + 250140.

Almost surely, 2^70250000 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 70250000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85370001).

70250000 is an abundant number, since it is smaller than the sum of its proper divisors (100490002).

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

70250000 is an frugal number, since it uses more digits than its factorization.

70250000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 319 (or 288 counting only the distinct ones).

The product of its (nonzero) digits is 70, while the sum is 14.

The square root of 70250000 is about 8381.5273071201. The cubic root of 70250000 is about 412.6185762570.

Adding to 70250000 its reverse (5207), we get a palindrome (70255207).

The spelling of 70250000 in words is "seventy million, two hundred fifty thousand".