61349768 has 16 divisors (see below), whose sum is σ = 115128000. Its totient is φ = 30648976.

The previous prime is 61349767. The next prime is 61349831. The reversal of 61349768 is 86794316.

It is a super-3 number, since 3×61349768³ (a number of 24 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (61349767) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10013 + ... + 14931.

It is an arithmetic number, because the mean of its divisors is an integer number (7195500).

Almost surely, 2^61349768 is an apocalyptic number.

It is an amenable number.

61349768 is a deficient number, since it is larger than the sum of its proper divisors (53778232).

61349768 is a wasteful number, since it uses less digits than its factorization.

61349768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6484 (or 6480 counting only the distinct ones).

The product of its digits is 217728, while the sum is 44.

The square root of 61349768 is about 7832.6092715008. The cubic root of 61349768 is about 394.4006677655.

The spelling of 61349768 in words is "sixty-one million, three hundred forty-nine thousand, seven hundred sixty-eight".