61020732 has 24 divisors (see below), whose sum is σ = 142635472. Its totient is φ = 20304000.

The previous prime is 61020731. The next prime is 61020779. The reversal of 61020732 is 23702016.

It is a happy number.

61020732 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 61020699 and 61020708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61020731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2982 + ... + 11442.

Almost surely, 2^61020732 is an apocalyptic number.

It is an amenable number.

61020732 is an abundant number, since it is smaller than the sum of its proper divisors (81614740).

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

61020732 is a wasteful number, since it uses less digits than its factorization.

61020732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9069 (or 9067 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 21.

The square root of 61020732 is about 7811.5767934521. The cubic root of 61020732 is about 393.6943096849.

Adding to 61020732 its reverse (23702016), we get a palindrome (84722748).

The spelling of 61020732 in words is "sixty-one million, twenty thousand, seven hundred thirty-two".