65678460 has 48 divisors (see below), whose sum is σ = 189837312. Its totient is φ = 16948800.

The previous prime is 65678453. The next prime is 65678461. The reversal of 65678460 is 6487656.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65678461) 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, 15796 + ... + 19515.

It is an arithmetic number, because the mean of its divisors is an integer number (3954944).

Almost surely, 2^65678460 is an apocalyptic number.

65678460 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

65678460 is an abundant number, since it is smaller than the sum of its proper divisors (124158852).

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

65678460 is a wasteful number, since it uses less digits than its factorization.

65678460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35354 (or 35352 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 42.

The square root of 65678460 is about 8104.2248241272. The cubic root of 65678460 is about 403.4666605339.

The spelling of 65678460 in words is "sixty-five million, six hundred seventy-eight thousand, four hundred sixty".