70518252 has 36 divisors (see below), whose sum is σ = 191408280. Its totient is φ = 20147904.

The previous prime is 70518241. The next prime is 70518271. The reversal of 70518252 is 25281507.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 59377 + ... + 60552.

Almost surely, 2^70518252 is an apocalyptic number.

It is an amenable number.

70518252 is an abundant number, since it is smaller than the sum of its proper divisors (120890028).

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

70518252 is a wasteful number, since it uses less digits than its factorization.

70518252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119950 (or 119941 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 30.

The square root of 70518252 is about 8397.5146323183. The cubic root of 70518252 is about 413.1431085021.

Adding to 70518252 its reverse (25281507), we get a palindrome (95799759).

The spelling of 70518252 in words is "seventy million, five hundred eighteen thousand, two hundred fifty-two".