70242250 has 32 divisors (see below), whose sum is σ = 141614928. Its totient is φ = 25934400.

The previous prime is 70242247. The next prime is 70242257. The reversal of 70242250 is 5224207.

It can be written as a sum of positive squares in 8 ways, for example, as 8886361 + 61355889 = 2981^2 + 7833^2 .

It is a house number.

It is not an unprimeable number, because it can be changed into a prime (70242257) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7557 + ... + 14056.

Almost surely, 2^70242250 is an apocalyptic number.

70242250 is an abundant number, since it is smaller than the sum of its proper divisors (71372678).

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

70242250 is a wasteful number, since it uses less digits than its factorization.

70242250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21643 (or 21633 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 22.

The square root of 70242250 is about 8381.0649681291. The cubic root of 70242250 is about 412.6034022994.

Adding to 70242250 its reverse (5224207), we get a palindrome (75466457).

The spelling of 70242250 in words is "seventy million, two hundred forty-two thousand, two hundred fifty".