64053780 has 72 divisors (see below), whose sum is σ = 208641888. Its totient is φ = 14640192.

The previous prime is 64053727. The next prime is 64053791. The reversal of 64053780 is 8735046.

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 7954 + ... + 13833.

It is an arithmetic number, because the mean of its divisors is an integer number (2897804).

Almost surely, 2^64053780 is an apocalyptic number.

64053780 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

64053780 is an abundant number, since it is smaller than the sum of its proper divisors (144588108).

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

64053780 is a wasteful number, since it uses less digits than its factorization.

64053780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21813 (or 21804 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 64053780 is about 8003.3605441714. The cubic root of 64053780 is about 400.1120102980.

The spelling of 64053780 in words is "sixty-four million, fifty-three thousand, seven hundred eighty".