70401512 has 16 divisors (see below), whose sum is σ = 132362340. Its totient is φ = 35104896.

The previous prime is 70401511. The next prime is 70401521. The reversal of 70401512 is 21510407.

It can be written as a sum of positive squares in 2 ways, for example, as 66814276 + 3587236 = 8174^2 + 1894^2 .

It is a super-2 number, since 2×70401512² = 9912745783772288, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (70401511) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 8813 + ... + 14780.

Almost surely, 2^70401512 is an apocalyptic number.

It is an amenable number.

70401512 is a deficient number, since it is larger than the sum of its proper divisors (61960828).

70401512 is a wasteful number, since it uses less digits than its factorization.

70401512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23972 (or 23968 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 20.

The square root of 70401512 is about 8390.5608870921. The cubic root of 70401512 is about 412.9150022363.

Adding to 70401512 its reverse (21510407), we get a palindrome (91911919).

The spelling of 70401512 in words is "seventy million, four hundred one thousand, five hundred twelve".