61800462 has 16 divisors (see below), whose sum is σ = 137334480. Its totient is φ = 20600136.

The previous prime is 61800451. The next prime is 61800463. The reversal of 61800462 is 26400816.

61800462 is a `hidden beast` number, since 618 + 0 + 0 + 46 + 2 = 666.

It is a super-3 number, since 3×61800462³ (a number of 24 digits) contains 333 as substring.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61800463) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 572173 + ... + 572280.

It is an arithmetic number, because the mean of its divisors is an integer number (8583405).

Almost surely, 2^61800462 is an apocalyptic number.

61800462 is an abundant number, since it is smaller than the sum of its proper divisors (75534018).

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

61800462 is a wasteful number, since it uses less digits than its factorization.

61800462 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1144464 (or 1144458 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 61800462 is about 7861.3269872204. The cubic root of 61800462 is about 395.3641079972.

The spelling of 61800462 in words is "sixty-one million, eight hundred thousand, four hundred sixty-two".