61734656 has 36 divisors (see below), whose sum is σ = 123866400. Its totient is φ = 30707712.

The previous prime is 61734637. The next prime is 61734677. The reversal of 61734656 is 65643716.

It is a happy number.

It is a super-2 number, since 2×61734656² = 7622335502876672, which contains 22 as substring.

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, 60680 + ... + 61688.

Almost surely, 2^61734656 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 61734656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61933200).

61734656 is an abundant number, since it is smaller than the sum of its proper divisors (62131744).

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

61734656 is a wasteful number, since it uses less digits than its factorization.

61734656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1264 (or 1250 counting only the distinct ones).

The product of its digits is 90720, while the sum is 38.

The square root of 61734656 is about 7857.1404467529. The cubic root of 61734656 is about 395.2237284075.

The spelling of 61734656 in words is "sixty-one million, seven hundred thirty-four thousand, six hundred fifty-six".