65900442 has 32 divisors (see below), whose sum is σ = 134064000. Its totient is φ = 21593088.

The previous prime is 65900437. The next prime is 65900447. The reversal of 65900442 is 24400956.

It is an interprime number because it is at equal distance from previous prime (65900437) and next prime (65900447).

It is not an unprimeable number, because it can be changed into a prime (65900447) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 115534 + ... + 116102.

It is an arithmetic number, because the mean of its divisors is an integer number (4189500).

Almost surely, 2^65900442 is an apocalyptic number.

65900442 is an abundant number, since it is smaller than the sum of its proper divisors (68163558).

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

65900442 is a wasteful number, since it uses less digits than its factorization.

65900442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 870.

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 65900442 is about 8117.9087208468. The cubic root of 65900442 is about 403.9206989075.

The spelling of 65900442 in words is "sixty-five million, nine hundred thousand, four hundred forty-two".