61916742 has 24 divisors (see below), whose sum is σ = 134298216. Its totient is φ = 20616576.

The previous prime is 61916731. The next prime is 61916761. The reversal of 61916742 is 24761916.

It is a junction number, because it is equal to n+sod(n) for n = 61916697 and 61916706.

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, 29533 + ... + 31559.

It is an arithmetic number, because the mean of its divisors is an integer number (5595759).

Almost surely, 2^61916742 is an apocalyptic number.

61916742 is an abundant number, since it is smaller than the sum of its proper divisors (72381474).

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

61916742 is a wasteful number, since it uses less digits than its factorization.

61916742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3732 (or 3729 counting only the distinct ones).

The product of its digits is 18144, while the sum is 36.

The square root of 61916742 is about 7868.7192096300. The cubic root of 61916742 is about 395.6119170146.

The spelling of 61916742 in words is "sixty-one million, nine hundred sixteen thousand, seven hundred forty-two".