61486628 has 24 divisors (see below), whose sum is σ = 123275712. Its totient is φ = 26286624.

The previous prime is 61486591. The next prime is 61486631. The reversal of 61486628 is 82668416.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9926 + ... + 14882.

It is an arithmetic number, because the mean of its divisors is an integer number (5136488).

Almost surely, 2^61486628 is an apocalyptic number.

It is an amenable number.

61486628 is an abundant number, since it is smaller than the sum of its proper divisors (61789084).

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

61486628 is a wasteful number, since it uses less digits than its factorization.

61486628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5411 (or 5409 counting only the distinct ones).

The product of its digits is 110592, while the sum is 41.

The square root of 61486628 is about 7841.3409567497. The cubic root of 61486628 is about 394.6937282977.

The spelling of 61486628 in words is "sixty-one million, four hundred eighty-six thousand, six hundred twenty-eight".