61289068 has 6 divisors (see below), whose sum is σ = 107255876. Its totient is φ = 30644532.

The previous prime is 61289051. The next prime is 61289101. The reversal of 61289068 is 86098216.

It is a self number, because there is not a number n which added to its sum of digits gives 61289068.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7661130 + ... + 7661137.

Almost surely, 2^61289068 is an apocalyptic number.

It is an amenable number.

61289068 is a deficient number, since it is larger than the sum of its proper divisors (45966808).

61289068 is a wasteful number, since it uses less digits than its factorization.

61289068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15322271 (or 15322269 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 40.

The square root of 61289068 is about 7828.7334863310. The cubic root of 61289068 is about 394.2705503465.

The spelling of 61289068 in words is "sixty-one million, two hundred eighty-nine thousand, sixty-eight".