61843742 has 8 divisors (see below), whose sum is σ = 92945232. Its totient is φ = 30862000.

The previous prime is 61843723. The next prime is 61843777. The reversal of 61843742 is 24734816.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28634 + ... + 30717.

It is an arithmetic number, because the mean of its divisors is an integer number (11618154).

Almost surely, 2^61843742 is an apocalyptic number.

61843742 is a deficient number, since it is larger than the sum of its proper divisors (31101490).

61843742 is a wasteful number, since it uses less digits than its factorization.

61843742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59874.

The product of its digits is 32256, while the sum is 35.

The square root of 61843742 is about 7864.0792213711. The cubic root of 61843742 is about 395.4563800457.

The spelling of 61843742 in words is "sixty-one million, eight hundred forty-three thousand, seven hundred forty-two".