75661068 has 48 divisors (see below), whose sum is σ = 202245120. Its totient is φ = 21565824.

The previous prime is 75661043. The next prime is 75661073. The reversal of 75661068 is 86016657.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47005 + ... + 48587.

It is an arithmetic number, because the mean of its divisors is an integer number (4213440).

Almost surely, 2^75661068 is an apocalyptic number.

It is an amenable number.

75661068 is an abundant number, since it is smaller than the sum of its proper divisors (126584052).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

75661068 is a wasteful number, since it uses less digits than its factorization.

75661068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2166 (or 2164 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 39.

The square root of 75661068 is about 8698.3370824543. The cubic root of 75661068 is about 422.9517463078.

The spelling of 75661068 in words is "seventy-five million, six hundred sixty-one thousand, sixty-eight".