61261732 has 12 divisors (see below), whose sum is σ = 122523520. Its totient is φ = 26255016.

The previous prime is 61261721. The next prime is 61261741. The reversal of 61261732 is 23716216.

61261732 is an admirable number.

It is a Harshad number since it is a multiple of its sum of digits (28), and also a Moran number because the ratio is a prime number: 2187919 = 61261732 / (6 + 1 + 2 + 6 + 1 + 7 + 3 + 2).

It is a self number, because there is not a number n which added to its sum of digits gives 61261732.

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, 1093932 + ... + 1093987.

Almost surely, 2^61261732 is an apocalyptic number.

It is an amenable number.

61261732 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

61261732 is a wasteful number, since it uses less digits than its factorization.

61261732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2187930 (or 2187928 counting only the distinct ones).

The product of its digits is 3024, while the sum is 28.

The square root of 61261732 is about 7826.9874153470. The cubic root of 61261732 is about 394.2119244345.

Adding to 61261732 its reverse (23716216), we get a palindrome (84977948).

The spelling of 61261732 in words is "sixty-one million, two hundred sixty-one thousand, seven hundred thirty-two".