64061724 has 24 divisors (see below), whose sum is σ = 151280640. Its totient is φ = 21096304.

The previous prime is 64061707. The next prime is 64061731. The reversal of 64061724 is 42716046.

It is a junction number, because it is equal to n+sod(n) for n = 64061691 and 64061700.

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 7 ways as a sum of consecutive naturals, for example, 31164 + ... + 33155.

It is an arithmetic number, because the mean of its divisors is an integer number (6303360).

Almost surely, 2^64061724 is an apocalyptic number.

It is an amenable number.

64061724 is an abundant number, since it is smaller than the sum of its proper divisors (87218916).

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

64061724 is a wasteful number, since it uses less digits than its factorization.

64061724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64409 (or 64407 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 64061724 is about 8003.8568203086. The cubic root of 64061724 is about 400.1285503493.

The spelling of 64061724 in words is "sixty-four million, sixty-one thousand, seven hundred twenty-four".