61628892 has 36 divisors (see below), whose sum is σ = 155718360. Its totient is φ = 18962112.

The previous prime is 61628873. The next prime is 61628929. The reversal of 61628892 is 29882616.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13167 + ... + 17222.

It is an arithmetic number, because the mean of its divisors is an integer number (4325510).

Almost surely, 2^61628892 is an apocalyptic number.

It is an amenable number.

61628892 is an abundant number, since it is smaller than the sum of its proper divisors (94089468).

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

61628892 is a wasteful number, since it uses less digits than its factorization.

61628892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30422 (or 30407 counting only the distinct ones).

The product of its digits is 82944, while the sum is 42.

The square root of 61628892 is about 7850.4071232007. The cubic root of 61628892 is about 394.9978998980.

The spelling of 61628892 in words is "sixty-one million, six hundred twenty-eight thousand, eight hundred ninety-two".