61776132 has 24 divisors (see below), whose sum is σ = 157248672. Its totient is φ = 18720000.

The previous prime is 61776131. The next prime is 61776133. The reversal of 61776132 is 23167716.

It is an interprime number because it is at equal distance from previous prime (61776131) and next prime (61776133).

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a junction number, because it is equal to n+sod(n) for n = 61776093 and 61776102.

It is not an unprimeable number, because it can be changed into a prime (61776131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 233869 + ... + 234132.

It is an arithmetic number, because the mean of its divisors is an integer number (6552028).

Almost surely, 2^61776132 is an apocalyptic number.

It is an amenable number.

61776132 is an abundant number, since it is smaller than the sum of its proper divisors (95472540).

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

61776132 is a wasteful number, since it uses less digits than its factorization.

61776132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 468019 (or 468017 counting only the distinct ones).

The product of its digits is 10584, while the sum is 33.

The square root of 61776132 is about 7859.7793862169. The cubic root of 61776132 is about 395.3122180327.

The spelling of 61776132 in words is "sixty-one million, seven hundred seventy-six thousand, one hundred thirty-two".