70645052 has 12 divisors (see below), whose sum is σ = 129004176. Its totient is φ = 33786720.

The previous prime is 70645051. The next prime is 70645079. The reversal of 70645052 is 25054607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70645051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 383849 + ... + 384032.

It is an arithmetic number, because the mean of its divisors is an integer number (10750348).

Almost surely, 2^70645052 is an apocalyptic number.

It is an amenable number.

70645052 is a deficient number, since it is larger than the sum of its proper divisors (58359124).

70645052 is a wasteful number, since it uses less digits than its factorization.

70645052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 767908 (or 767906 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 29.

The square root of 70645052 is about 8405.0610943645. The cubic root of 70645052 is about 413.3905866465.

Adding to 70645052 its reverse (25054607), we get a palindrome (95699659).

The spelling of 70645052 in words is "seventy million, six hundred forty-five thousand, fifty-two".