61305734 has 8 divisors (see below), whose sum is σ = 105095568. Its totient is φ = 26273880.

The previous prime is 61305697. The next prime is 61305743. The reversal of 61305734 is 43750316.

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 61305697 and 61305706.

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, 2189477 + ... + 2189504.

It is an arithmetic number, because the mean of its divisors is an integer number (13136946).

Almost surely, 2^61305734 is an apocalyptic number.

61305734 is a deficient number, since it is larger than the sum of its proper divisors (43789834).

61305734 is a wasteful number, since it uses less digits than its factorization.

61305734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4378990.

The product of its (nonzero) digits is 7560, while the sum is 29.

The square root of 61305734 is about 7829.7978262532. The cubic root of 61305734 is about 394.3062843836.

The spelling of 61305734 in words is "sixty-one million, three hundred five thousand, seven hundred thirty-four".