61003782 has 48 divisors (see below), whose sum is σ = 153552672. Its totient is φ = 17141760.

The previous prime is 61003781. The next prime is 61003783. The reversal of 61003782 is 28730016.

It is an interprime number because it is at equal distance from previous prime (61003781) and next prime (61003783).

It is a super-2 number, since 2×61003782² = 7442922836607048, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61003781) 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 23 ways as a sum of consecutive naturals, for example, 3718 + ... + 11654.

It is an arithmetic number, because the mean of its divisors is an integer number (3199014).

Almost surely, 2^61003782 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 61003782, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76776336).

61003782 is an abundant number, since it is smaller than the sum of its proper divisors (92548890).

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

61003782 is a wasteful number, since it uses less digits than its factorization.

61003782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8013 (or 8010 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 61003782 is about 7810.4917898939. The cubic root of 61003782 is about 393.6578535696.

Adding to 61003782 its reverse (28730016), we get a palindrome (89733798).

The spelling of 61003782 in words is "sixty-one million, three thousand, seven hundred eighty-two".