61689122 has 8 divisors (see below), whose sum is σ = 100945872. Its totient is φ = 28040500.

The previous prime is 61689113. The next prime is 61689139. The reversal of 61689122 is 22198616.

61689122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1402004 + ... + 1402047.

It is an arithmetic number, because the mean of its divisors is an integer number (12618234).

Almost surely, 2^61689122 is an apocalyptic number.

61689122 is a deficient number, since it is larger than the sum of its proper divisors (39256750).

61689122 is a wasteful number, since it uses less digits than its factorization.

61689122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2804064.

The product of its digits is 10368, while the sum is 35.

The square root of 61689122 is about 7854.2422931814. The cubic root of 61689122 is about 395.1265353303.

The spelling of 61689122 in words is "sixty-one million, six hundred eighty-nine thousand, one hundred twenty-two".