61548768 has 48 divisors (see below), whose sum is σ = 179519760. Its totient is φ = 20515968.

The previous prime is 61548743. The next prime is 61548787. The reversal of 61548768 is 86784516.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34755 + ... + 36482.

It is an arithmetic number, because the mean of its divisors is an integer number (3739995).

Almost surely, 2^61548768 is an apocalyptic number.

It is an amenable number.

61548768 is an abundant number, since it is smaller than the sum of its proper divisors (117970992).

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

61548768 is a wasteful number, since it uses less digits than its factorization.

61548768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71256 (or 71242 counting only the distinct ones).

The product of its digits is 322560, while the sum is 45.

The square root of 61548768 is about 7845.3022886311. The cubic root of 61548768 is about 394.8266461446.

The spelling of 61548768 in words is "sixty-one million, five hundred forty-eight thousand, seven hundred sixty-eight".