70707132 has 72 divisors (see below), whose sum is σ = 189571200. Its totient is φ = 22159008.

The previous prime is 70707103. The next prime is 70707157. The reversal of 70707132 is 23170707.

It is a junction number, because it is equal to n+sod(n) for n = 70707096 and 70707105.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 113919 + ... + 114537.

Almost surely, 2^70707132 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70707132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94785600).

70707132 is an abundant number, since it is smaller than the sum of its proper divisors (118864068).

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

70707132 is a wasteful number, since it uses less digits than its factorization.

70707132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 815 (or 810 counting only the distinct ones).

The product of its (nonzero) digits is 2058, while the sum is 27.

The square root of 70707132 is about 8408.7532964168. The cubic root of 70707132 is about 413.5116414752.

Adding to 70707132 its reverse (23170707), we get a palindrome (93877839).

The spelling of 70707132 in words is "seventy million, seven hundred seven thousand, one hundred thirty-two".