61480 has 32 divisors (see below), whose sum is σ = 145800. Its totient is φ = 23296.

The previous prime is 61471. The next prime is 61483. The reversal of 61480 is 8416.

61480 is nontrivially palindromic in base 9.

It can be written as a sum of positive squares in 4 ways, for example, as 54756 + 6724 = 234^2 + 82^2 .

It is a plaindrome in base 15.

It is a nialpdrome in base 11.

It is not an unprimeable number, because it can be changed into a prime (61483) by changing a digit.

61480 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1134 + ... + 1186.

2⁶¹⁴⁸⁰ 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 61480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72900).

61480 is an abundant number, since it is smaller than the sum of its proper divisors (84320).

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

61480 is a wasteful number, since it uses less digits than its factorization.

61480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93 (or 89 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 61480 is about 247.9516081819. The cubic root of 61480 is about 39.4679545680.

Adding to 61480 its reverse (8416), we get a palindrome (69896).

The spelling of 61480 in words is "sixty-one thousand, four hundred eighty".