61285476 has 72 divisors (see below), whose sum is σ = 176160096. Its totient is φ = 16477440.

The previous prime is 61285453. The next prime is 61285513. The reversal of 61285476 is 67458216.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6931 + ... + 13061.

It is an arithmetic number, because the mean of its divisors is an integer number (2446668).

Almost surely, 2^61285476 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 61285476, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88080048).

61285476 is an abundant number, since it is smaller than the sum of its proper divisors (114874620).

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

61285476 is a wasteful number, since it uses less digits than its factorization.

61285476 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6169 (or 6160 counting only the distinct ones).

The product of its digits is 80640, while the sum is 39.

The square root of 61285476 is about 7828.5040716602. The cubic root of 61285476 is about 394.2628477902.

The spelling of 61285476 in words is "sixty-one million, two hundred eighty-five thousand, four hundred seventy-six".