680062464 has 60 divisors (see below), whose sum is σ = 1962719616. Its totient is φ = 226685952.

The previous prime is 680062463. The next prime is 680062477. The reversal of 680062464 is 464260086.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (680062463) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 69184 + ... + 78399.

Almost surely, 2^680062464 is an apocalyptic number.

680062464 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

680062464 is an abundant number, since it is smaller than the sum of its proper divisors (1282657152).

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

680062464 is a wasteful number, since it uses less digits than its factorization.

680062464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147607 (or 147588 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 36.

The square root of 680062464 is about 26078.0072858338. The cubic root of 680062464 is about 879.3928594473.

The spelling of 680062464 in words is "six hundred eighty million, sixty-two thousand, four hundred sixty-four".