61071132 has 12 divisors (see below), whose sum is σ = 142499336. Its totient is φ = 20357040.

The previous prime is 61071121. The next prime is 61071169. The reversal of 61071132 is 23117016.

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

It is a super-2 number, since 2×61071132² = 7459366327522848, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 61071099 and 61071108.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2544619 + ... + 2544642.

Almost surely, 2^61071132 is an apocalyptic number.

It is an amenable number.

61071132 is an abundant number, since it is smaller than the sum of its proper divisors (81428204).

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

61071132 is a wasteful number, since it uses less digits than its factorization.

61071132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5089268 (or 5089266 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 21.

The square root of 61071132 is about 7814.8021088189. The cubic root of 61071132 is about 393.8026703037.

Adding to 61071132 its reverse (23117016), we get a palindrome (84188148).

The spelling of 61071132 in words is "sixty-one million, seventy-one thousand, one hundred thirty-two".