61132722 has 64 divisors (see below), whose sum is σ = 144764928. Its totient is φ = 16848000.

The previous prime is 61132711. The next prime is 61132733. The reversal of 61132722 is 22723116.

It is an interprime number because it is at equal distance from previous prime (61132711) and next prime (61132733).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 61132692 and 61132701.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 225447 + ... + 225717.

It is an arithmetic number, because the mean of its divisors is an integer number (2261952).

Almost surely, 2^61132722 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 61132722, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72382464).

61132722 is an abundant number, since it is smaller than the sum of its proper divisors (83632206).

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

61132722 is a wasteful number, since it uses less digits than its factorization.

61132722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 455.

The product of its digits is 1008, while the sum is 24.

The square root of 61132722 is about 7818.7417146239. The cubic root of 61132722 is about 393.9350086485.

Adding to 61132722 its reverse (22723116), we get a palindrome (83855838).

It can be divided in two parts, 611 and 32722, that added together give a palindrome (33333).

The spelling of 61132722 in words is "sixty-one million, one hundred thirty-two thousand, seven hundred twenty-two".