61178468 has 12 divisors (see below), whose sum is σ = 115297980. Its totient is φ = 28236192.

The previous prime is 61178449. The next prime is 61178471. The reversal of 61178468 is 86487116.

It can be written as a sum of positive squares in 2 ways, for example, as 5943844 + 55234624 = 2438^2 + 7432^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 588203 + ... + 588306.

It is an arithmetic number, because the mean of its divisors is an integer number (9608165).

Almost surely, 2^61178468 is an apocalyptic number.

It is an amenable number.

61178468 is a deficient number, since it is larger than the sum of its proper divisors (54119512).

61178468 is a wasteful number, since it uses less digits than its factorization.

61178468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1176526 (or 1176524 counting only the distinct ones).

The product of its digits is 64512, while the sum is 41.

The square root of 61178468 is about 7821.6665743306. Note that the first 3 decimals coincide. The cubic root of 61178468 is about 394.0332454962.

The spelling of 61178468 in words is "sixty-one million, one hundred seventy-eight thousand, four hundred sixty-eight".