65751042 has 64 divisors (see below), whose sum is σ = 157132800. Its totient is φ = 18324432.

The previous prime is 65751017. The next prime is 65751061. The reversal of 65751042 is 24015756.

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 31 ways as a sum of consecutive naturals, for example, 88123 + ... + 88865.

It is an arithmetic number, because the mean of its divisors is an integer number (2455200).

Almost surely, 2^65751042 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 65751042, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78566400).

65751042 is an abundant number, since it is smaller than the sum of its proper divisors (91381758).

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

65751042 is a wasteful number, since it uses less digits than its factorization.

65751042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 812 (or 798 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 30.

The square root of 65751042 is about 8108.7016223314. The cubic root of 65751042 is about 403.6152309900.

Adding to 65751042 its reverse (24015756), we get a palindrome (89766798).

The spelling of 65751042 in words is "sixty-five million, seven hundred fifty-one thousand, forty-two".