70145652 has 12 divisors (see below), whose sum is σ = 163673216. Its totient is φ = 23381880.

The previous prime is 70145641. The next prime is 70145671. The reversal of 70145652 is 25654107.

It is a tau number, because it is divible by the number of its divisors (12).

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 2922724 + ... + 2922747.

Almost surely, 2^70145652 is an apocalyptic number.

It is an amenable number.

70145652 is an abundant number, since it is smaller than the sum of its proper divisors (93527564).

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

70145652 is a wasteful number, since it uses less digits than its factorization.

70145652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5845478 (or 5845476 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 30.

The square root of 70145652 is about 8375.3001140258. The cubic root of 70145652 is about 412.4141764517.

Adding to 70145652 its reverse (25654107), we get a palindrome (95799759).

The spelling of 70145652 in words is "seventy million, one hundred forty-five thousand, six hundred fifty-two".