70371252 has 144 divisors (see below), whose sum is σ = 214032000. Its totient is φ = 19474560.

The previous prime is 70371241. The next prime is 70371289. The reversal of 70371252 is 25217307.

It is a super-2 number, since 2×70371252² = 9904226216095008, which contains 22 as substring.

It is a congruent number.

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 47 ways as a sum of consecutive naturals, for example, 506199 + ... + 506337.

Almost surely, 2^70371252 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 70371252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (107016000).

70371252 is an abundant number, since it is smaller than the sum of its proper divisors (143660748).

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

70371252 is a wasteful number, since it uses less digits than its factorization.

70371252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211 (or 192 counting only the distinct ones).

The product of its (nonzero) digits is 2940, while the sum is 27.

The square root of 70371252 is about 8388.7574765277. The cubic root of 70371252 is about 412.8558340062.

Adding to 70371252 its reverse (25217307), we get a palindrome (95588559).

The spelling of 70371252 in words is "seventy million, three hundred seventy-one thousand, two hundred fifty-two".