61677412 has 6 divisors (see below), whose sum is σ = 107935478. Its totient is φ = 30838704.

The previous prime is 61677373. The next prime is 61677419. The reversal of 61677412 is 21477616.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 53348416 + 8328996 = 7304^2 + 2886^2 .

It is not an unprimeable number, because it can be changed into a prime (61677419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7709673 + ... + 7709680.

Almost surely, 2^61677412 is an apocalyptic number.

It is an amenable number.

61677412 is a deficient number, since it is larger than the sum of its proper divisors (46258066).

61677412 is a wasteful number, since it uses less digits than its factorization.

61677412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15419357 (or 15419355 counting only the distinct ones).

The product of its digits is 14112, while the sum is 34.

The square root of 61677412 is about 7853.4968007888. The cubic root of 61677412 is about 395.1015324104.

The spelling of 61677412 in words is "sixty-one million, six hundred seventy-seven thousand, four hundred twelve".