61473668 has 12 divisors (see below), whose sum is σ = 108030720. Its totient is φ = 30607752.

The previous prime is 61473667. The next prime is 61473679. The reversal of 61473668 is 86637416.

It is not an unprimeable number, because it can be changed into a prime (61473667) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31196 + ... + 33107.

It is an arithmetic number, because the mean of its divisors is an integer number (9002560).

Almost surely, 2^61473668 is an apocalyptic number.

It is an amenable number.

61473668 is a deficient number, since it is larger than the sum of its proper divisors (46557052).

61473668 is a wasteful number, since it uses less digits than its factorization.

61473668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64546 (or 64544 counting only the distinct ones).

The product of its digits is 145152, while the sum is 41.

The square root of 61473668 is about 7840.5145239327. The cubic root of 61473668 is about 394.6659954918.

The spelling of 61473668 in words is "sixty-one million, four hundred seventy-three thousand, six hundred sixty-eight".