62689920 has 128 divisors (see below), whose sum is σ = 202400640. Its totient is φ = 16502784.

The previous prime is 62689903. The next prime is 62689961. The reversal of 62689920 is 2998626.

It is a tau number, because it is divible by the number of its divisors (128).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 197602 + ... + 197918.

It is an arithmetic number, because the mean of its divisors is an integer number (1581255).

Almost surely, 2^62689920 is an apocalyptic number.

62689920 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 62689920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (101200320).

62689920 is an abundant number, since it is smaller than the sum of its proper divisors (139710720).

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

62689920 is a wasteful number, since it uses less digits than its factorization.

62689920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 442 (or 430 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 42.

The square root of 62689920 is about 7917.6966347543. The cubic root of 62689920 is about 397.2518287947.

The spelling of 62689920 in words is "sixty-two million, six hundred eighty-nine thousand, nine hundred twenty".