61677772 has 12 divisors (see below), whose sum is σ = 116238976. Its totient is φ = 28466640.

The previous prime is 61677769. The next prime is 61677793. The reversal of 61677772 is 27777616.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 593004 + ... + 593107.

Almost surely, 2^61677772 is an apocalyptic number.

It is an amenable number.

61677772 is a deficient number, since it is larger than the sum of its proper divisors (54561204).

61677772 is a wasteful number, since it uses less digits than its factorization.

61677772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1186128 (or 1186126 counting only the distinct ones).

The product of its digits is 172872, while the sum is 43.

The square root of 61677772 is about 7853.5197204820. The cubic root of 61677772 is about 395.1023011212.

The spelling of 61677772 in words is "sixty-one million, six hundred seventy-seven thousand, seven hundred seventy-two".