61297734 has 16 divisors (see below), whose sum is σ = 122837040. Its totient is φ = 20392320.

The previous prime is 61297727. The next prime is 61297739. The reversal of 61297734 is 43779216.

61297734 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 61297692 and 61297701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61297739) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6679 + ... + 12930.

It is an arithmetic number, because the mean of its divisors is an integer number (7677315).

Almost surely, 2^61297734 is an apocalyptic number.

61297734 is an abundant number, since it is smaller than the sum of its proper divisors (61539306).

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

61297734 is a wasteful number, since it uses less digits than its factorization.

61297734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20135.

The product of its digits is 63504, while the sum is 39.

The square root of 61297734 is about 7829.2869407118. The cubic root of 61297734 is about 394.2891321680.

It can be divided in two parts, 612 and 97734, that added together give a triangular number (98346 = T₄₄₃).

The spelling of 61297734 in words is "sixty-one million, two hundred ninety-seven thousand, seven hundred thirty-four".