65494080 has 84 divisors (see below), whose sum is σ = 225282252. Its totient is φ = 17464320.

The previous prime is 65494073. The next prime is 65494111. The reversal of 65494080 is 8049456.

65494080 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 13307904 + 52186176 = 3648^2 + 7224^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8491 + ... + 14250.

Almost surely, 2^65494080 is an apocalyptic number.

65494080 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

65494080 is an abundant number, since it is smaller than the sum of its proper divisors (159788172).

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

65494080 is a wasteful number, since it uses less digits than its factorization.

65494080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22764 (or 22751 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 65494080 is about 8092.8412810335. The cubic root of 65494080 is about 403.0887542678.

The spelling of 65494080 in words is "sixty-five million, four hundred ninety-four thousand, eighty".