61677652 has 12 divisors (see below), whose sum is σ = 110446336. Its totient is φ = 30121560.

The previous prime is 61677647. The next prime is 61677691. The reversal of 61677652 is 25677616.

It is a happy number.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 179124 + ... + 179467.

Almost surely, 2^61677652 is an apocalyptic number.

It is an amenable number.

61677652 is a deficient number, since it is larger than the sum of its proper divisors (48768684).

61677652 is a wasteful number, since it uses less digits than its factorization.

61677652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 358638 (or 358636 counting only the distinct ones).

The product of its digits is 105840, while the sum is 40.

The square root of 61677652 is about 7853.5120805917. The cubic root of 61677652 is about 395.1020448846.

The spelling of 61677652 in words is "sixty-one million, six hundred seventy-seven thousand, six hundred fifty-two".