61280576 has 42 divisors (see below), whose sum is σ = 141464538. Its totient is φ = 26261760.

The previous prime is 61280551. The next prime is 61280591. The reversal of 61280576 is 67508216.

It can be written as a sum of positive squares in only one way, i.e., 45914176 + 15366400 = 6776^2 + 3920^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6635 + ... + 12906.

Almost surely, 2^61280576 is an apocalyptic number.

It is an amenable number.

61280576 is an abundant number, since it is smaller than the sum of its proper divisors (80183962).

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

61280576 is a wasteful number, since it uses less digits than its factorization.

61280576 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19567 (or 19550 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 35.

The square root of 61280576 is about 7828.1911065073. The cubic root of 61280576 is about 394.2523399202.

The spelling of 61280576 in words is "sixty-one million, two hundred eighty thousand, five hundred seventy-six".