61288892 has 24 divisors (see below), whose sum is σ = 122774400. Its totient is φ = 26224560.

The previous prime is 61288879. The next prime is 61288897. The reversal of 61288892 is 29888216.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61288897) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21359 + ... + 24057.

It is an arithmetic number, because the mean of its divisors is an integer number (5115600).

Almost surely, 2^61288892 is an apocalyptic number.

It is an amenable number.

61288892 is an abundant number, since it is smaller than the sum of its proper divisors (61485508).

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

61288892 is a wasteful number, since it uses less digits than its factorization.

61288892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3521 (or 3519 counting only the distinct ones).

The product of its digits is 110592, while the sum is 44.

The square root of 61288892 is about 7828.7222456797. The cubic root of 61288892 is about 394.2701729454.

The spelling of 61288892 in words is "sixty-one million, two hundred eighty-eight thousand, eight hundred ninety-two".