70032250 has 16 divisors (see below), whose sum is σ = 131100840. Its totient is φ = 28012800.

The previous prime is 70032247. The next prime is 70032253. The reversal of 70032250 is 5223007.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (70032247) and next prime (70032253).

It can be written as a sum of positive squares in 4 ways, for example, as 17918289 + 52113961 = 4233^2 + 7219^2 .

It is a cake number, because a cake can be divided into 70032250 parts by 749 planar cuts.

It is not an unprimeable number, because it can be changed into a prime (70032253) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 139815 + ... + 140314.

Almost surely, 2^70032250 is an apocalyptic number.

70032250 is a deficient number, since it is larger than the sum of its proper divisors (61068590).

70032250 is a wasteful number, since it uses less digits than its factorization.

70032250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280146 (or 280136 counting only the distinct ones).

The product of its (nonzero) digits is 420, while the sum is 19.

The square root of 70032250 is about 8368.5273495401. The cubic root of 70032250 is about 412.1918114307.

Adding to 70032250 its reverse (5223007), we get a palindrome (75255257).

The spelling of 70032250 in words is "seventy million, thirty-two thousand, two hundred fifty".