61368044 has 6 divisors (see below), whose sum is σ = 107394084. Its totient is φ = 30684020.

The previous prime is 61368029. The next prime is 61368049. The reversal of 61368044 is 44086316.

It is a self number, because there is not a number n which added to its sum of digits gives 61368044.

It is not an unprimeable number, because it can be changed into a prime (61368049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7671002 + ... + 7671009.

It is an arithmetic number, because the mean of its divisors is an integer number (17899014).

Almost surely, 2^61368044 is an apocalyptic number.

It is an amenable number.

61368044 is a deficient number, since it is larger than the sum of its proper divisors (46026040).

61368044 is a wasteful number, since it uses less digits than its factorization.

61368044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15342015 (or 15342013 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 61368044 is about 7833.7758456571. The cubic root of 61368044 is about 394.4398276580.

The spelling of 61368044 in words is "sixty-one million, three hundred sixty-eight thousand, forty-four".