61945634 has 8 divisors (see below), whose sum is σ = 94493520. Its totient is φ = 30447796.

The previous prime is 61945633. The next prime is 61945649. The reversal of 61945634 is 43654916.

61945634 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not an unprimeable number, because it can be changed into a prime (61945633) 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 3 ways as a sum of consecutive naturals, for example, 262364 + ... + 262599.

It is an arithmetic number, because the mean of its divisors is an integer number (11811690).

Almost surely, 2^61945634 is an apocalyptic number.

61945634 is a deficient number, since it is larger than the sum of its proper divisors (32547886).

61945634 is a wasteful number, since it uses less digits than its factorization.

61945634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 525024.

The product of its digits is 77760, while the sum is 38.

The square root of 61945634 is about 7870.5548724343. The cubic root of 61945634 is about 395.6734417963.

The spelling of 61945634 in words is "sixty-one million, nine hundred forty-five thousand, six hundred thirty-four".