61764030 has 24 divisors (see below), whose sum is σ = 160586712. Its totient is φ = 16470384.

The previous prime is 61764023. The next prime is 61764049. The reversal of 61764030 is 3046716.

61764030 is a `hidden beast` number, since 6 + 17 + 640 + 3 + 0 = 666.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 61763985 and 61764003.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 343044 + ... + 343223.

It is an arithmetic number, because the mean of its divisors is an integer number (6691113).

Almost surely, 2^61764030 is an apocalyptic number.

61764030 is an abundant number, since it is smaller than the sum of its proper divisors (98822682).

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

61764030 is a wasteful number, since it uses less digits than its factorization.

61764030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 686280 (or 686277 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 61764030 is about 7859.0094795718. The cubic root of 61764030 is about 395.2864023401.

The spelling of 61764030 in words is "sixty-one million, seven hundred sixty-four thousand, thirty".