61427442 has 8 divisors (see below), whose sum is σ = 122854896. Its totient is φ = 20475812.

The previous prime is 61427441. The next prime is 61427447. The reversal of 61427442 is 24472416.

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

61427442 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (61427441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5118948 + ... + 5118959.

It is an arithmetic number, because the mean of its divisors is an integer number (15356862).

Almost surely, 2^61427442 is an apocalyptic number.

61427442 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

61427442 is a wasteful number, since it uses less digits than its factorization.

61427442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10237912.

The product of its digits is 10752, while the sum is 30.

The square root of 61427442 is about 7837.5660762765. The cubic root of 61427442 is about 394.5670457804.

Adding to 61427442 its reverse (24472416), we get a palindrome (85899858).

The spelling of 61427442 in words is "sixty-one million, four hundred twenty-seven thousand, four hundred forty-two".