61318084 has 12 divisors (see below), whose sum is σ = 107362108. Its totient is φ = 30643200.

The previous prime is 61318057. The next prime is 61318121. The reversal of 61318084 is 48081316.

It can be written as a sum of positive squares in 2 ways, for example, as 33524100 + 27793984 = 5790^2 + 5272^2 .

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11164 + ... + 15724.

Almost surely, 2^61318084 is an apocalyptic number.

It is an amenable number.

61318084 is a deficient number, since it is larger than the sum of its proper divisors (46044024).

61318084 is a wasteful number, since it uses less digits than its factorization.

61318084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7926 (or 7924 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 31.

The square root of 61318084 is about 7830.5864403632. The cubic root of 61318084 is about 394.3327601868.

The spelling of 61318084 in words is "sixty-one million, three hundred eighteen thousand, eighty-four".