61676730 has 24 divisors (see below), whose sum is σ = 160359732. Its totient is φ = 16447104.

The previous prime is 61676687. The next prime is 61676773. The reversal of 61676730 is 3767616.

61676730 is a `hidden beast` number, since 616 + 7 + 6 + 7 + 30 = 666.

It is an interprime number because it is at equal distance from previous prime (61676687) and next prime (61676773).

It can be written as a sum of positive squares in 2 ways, for example, as 58844241 + 2832489 = 7671^2 + 1683^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 342559 + ... + 342738.

Almost surely, 2^61676730 is an apocalyptic number.

61676730 is an abundant number, since it is smaller than the sum of its proper divisors (98683002).

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

61676730 is a wasteful number, since it uses less digits than its factorization.

61676730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 685310 (or 685307 counting only the distinct ones).

The product of its (nonzero) digits is 31752, while the sum is 36.

The square root of 61676730 is about 7853.4533805199. The cubic root of 61676730 is about 395.1000761223.

The spelling of 61676730 in words is "sixty-one million, six hundred seventy-six thousand, seven hundred thirty".