61103684 has 6 divisors (see below), whose sum is σ = 106931454. Its totient is φ = 30551840.

The previous prime is 61103671. The next prime is 61103699. The reversal of 61103684 is 48630116.

It can be written as a sum of positive squares in only one way, i.e., 60996100 + 107584 = 7810^2 + 328^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7637957 + ... + 7637964.

It is an arithmetic number, because the mean of its divisors is an integer number (17821909).

Almost surely, 2^61103684 is an apocalyptic number.

It is an amenable number.

61103684 is a deficient number, since it is larger than the sum of its proper divisors (45827770).

61103684 is a wasteful number, since it uses less digits than its factorization.

61103684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15275925 (or 15275923 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 61103684 is about 7816.8845456486. The cubic root of 61103684 is about 393.8726258194.

The spelling of 61103684 in words is "sixty-one million, one hundred three thousand, six hundred eighty-four".