70670052 has 18 divisors (see below), whose sum is σ = 178638278. Its totient is φ = 23556672.

The previous prime is 70670021. The next prime is 70670077. The reversal of 70670052 is 25007607.

It can be written as a sum of positive squares in only one way, i.e., 70660836 + 9216 = 8406^2 + 96^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a junction number, because it is equal to n+sod(n) for n = 70669998 and 70670025.

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 5 ways as a sum of consecutive naturals, for example, 981493 + ... + 981564.

Almost surely, 2^70670052 is an apocalyptic number.

It is an amenable number.

70670052 is an abundant number, since it is smaller than the sum of its proper divisors (107968226).

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

70670052 is a wasteful number, since it uses less digits than its factorization.

70670052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1963067 (or 1963062 counting only the distinct ones).

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

The square root of 70670052 is about 8406.5481619985. The cubic root of 70670052 is about 413.4393447007.

Adding to 70670052 its reverse (25007607), we get a palindrome (95677659).

The spelling of 70670052 in words is "seventy million, six hundred seventy thousand, fifty-two".