70644232 has 16 divisors (see below), whose sum is σ = 137025900. Its totient is φ = 34104000.

The previous prime is 70644229. The next prime is 70644241. The reversal of 70644232 is 23244607.

It can be written as a sum of positive squares in 2 ways, for example, as 62315236 + 8328996 = 7894^2 + 2886^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 70644232.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 152019 + ... + 152482.

Almost surely, 2^70644232 is an apocalyptic number.

It is an amenable number.

70644232 is a deficient number, since it is larger than the sum of its proper divisors (66381668).

70644232 is a wasteful number, since it uses less digits than its factorization.

70644232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304536 (or 304532 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 28.

The square root of 70644232 is about 8405.0123140897. The cubic root of 70644232 is about 413.3889871875.

Adding to 70644232 its reverse (23244607), we get a palindrome (93888839).

It can be divided in two parts, 70644 and 232, that added together give a triangular number (70876 = T₃₇₆).

The spelling of 70644232 in words is "seventy million, six hundred forty-four thousand, two hundred thirty-two".