64763120 has 40 divisors (see below), whose sum is σ = 153137520. Its totient is φ = 25464320.

The previous prime is 64763099. The next prime is 64763131. The reversal of 64763120 is 2136746.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2141 + ... + 11580.

It is an arithmetic number, because the mean of its divisors is an integer number (3828438).

Almost surely, 2^64763120 is an apocalyptic number.

It is an amenable number.

64763120 is an abundant number, since it is smaller than the sum of its proper divisors (88374400).

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

64763120 is a wasteful number, since it uses less digits than its factorization.

64763120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13793 (or 13787 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 64763120 is about 8047.5536655558. The cubic root of 64763120 is about 401.5835559369.

Adding to 64763120 its reverse (2136746), we get a palindrome (66899866).

The spelling of 64763120 in words is "sixty-four million, seven hundred sixty-three thousand, one hundred twenty".