61403068 has 12 divisors (see below), whose sum is σ = 108750600. Its totient is φ = 30331472.

The previous prime is 61403059. The next prime is 61403081. The reversal of 61403068 is 86030416.

It is a super-3 number, since 3×61403068³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 92143 + ... + 92806.

It is an arithmetic number, because the mean of its divisors is an integer number (9062550).

Almost surely, 2^61403068 is an apocalyptic number.

It is an amenable number.

61403068 is a deficient number, since it is larger than the sum of its proper divisors (47347532).

61403068 is a wasteful number, since it uses less digits than its factorization.

61403068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185036 (or 185034 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 61403068 is about 7836.0109749796. The cubic root of 61403068 is about 394.5148516841.

The spelling of 61403068 in words is "sixty-one million, four hundred three thousand, sixty-eight".