61819468 has 6 divisors (see below), whose sum is σ = 108184076. Its totient is φ = 30909732.

The previous prime is 61819453. The next prime is 61819477. The reversal of 61819468 is 86491816.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7727430 + ... + 7727437.

Almost surely, 2^61819468 is an apocalyptic number.

It is an amenable number.

61819468 is a deficient number, since it is larger than the sum of its proper divisors (46364608).

61819468 is a wasteful number, since it uses less digits than its factorization.

61819468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15454871 (or 15454869 counting only the distinct ones).

The product of its digits is 82944, while the sum is 43.

The square root of 61819468 is about 7862.5357232893. The cubic root of 61819468 is about 395.4046336924.

The spelling of 61819468 in words is "sixty-one million, eight hundred nineteen thousand, four hundred sixty-eight".