70645332 has 24 divisors (see below), whose sum is σ = 165626272. Its totient is φ = 23436000.

The previous prime is 70645313. The next prime is 70645339. The reversal of 70645332 is 23354607.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 70645332.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70645339) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11419 + ... + 16482.

Almost surely, 2^70645332 is an apocalyptic number.

It is an amenable number.

70645332 is an abundant number, since it is smaller than the sum of its proper divisors (94980940).

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

70645332 is a wasteful number, since it uses less digits than its factorization.

70645332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28119 (or 28117 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 30.

The square root of 70645332 is about 8405.0777509789. The cubic root of 70645332 is about 413.3911328004.

Adding to 70645332 its reverse (23354607), we get a palindrome (93999939).

The spelling of 70645332 in words is "seventy million, six hundred forty-five thousand, three hundred thirty-two".