70081252 has 6 divisors (see below), whose sum is σ = 122642198. Its totient is φ = 35040624.

The previous prime is 70081247. The next prime is 70081261. The reversal of 70081252 is 25218007.

It can be written as a sum of positive squares in only one way, i.e., 67469796 + 2611456 = 8214^2 + 1616^2 .

It is a super-2 number, since 2×70081252² = 9822763763775008, which contains 22 as substring.

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 as a sum of consecutive naturals, namely, 8760153 + ... + 8760160.

Almost surely, 2^70081252 is an apocalyptic number.

It is an amenable number.

70081252 is a deficient number, since it is larger than the sum of its proper divisors (52560946).

70081252 is a wasteful number, since it uses less digits than its factorization.

70081252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17520317 (or 17520315 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 25.

The square root of 70081252 is about 8371.4545928411. The cubic root of 70081252 is about 412.2879267397.

Adding to 70081252 its reverse (25218007), we get a palindrome (95299259).

The spelling of 70081252 in words is "seventy million, eighty-one thousand, two hundred fifty-two".