65919084 has 48 divisors (see below), whose sum is σ = 191767296. Its totient is φ = 17121600.

The previous prime is 65919083. The next prime is 65919137. The reversal of 65919084 is 48091956.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (65919083) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34747 + ... + 36594.

It is an arithmetic number, because the mean of its divisors is an integer number (3995152).

Almost surely, 2^65919084 is an apocalyptic number.

It is an amenable number.

65919084 is an abundant number, since it is smaller than the sum of its proper divisors (125848212).

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

65919084 is a wasteful number, since it uses less digits than its factorization.

65919084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71366 (or 71364 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 42.

The square root of 65919084 is about 8119.0568417766. The cubic root of 65919084 is about 403.9587825152.

The spelling of 65919084 in words is "sixty-five million, nine hundred nineteen thousand, eighty-four".