64711130 has 32 divisors (see below), whose sum is σ = 130033728. Its totient is φ = 22982400.

The previous prime is 64711123. The next prime is 64711133. The reversal of 64711130 is 3111746.

It is a junction number, because it is equal to n+sod(n) for n = 64711096 and 64711105.

It is not an unprimeable number, because it can be changed into a prime (64711133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2111 + ... + 11570.

It is an arithmetic number, because the mean of its divisors is an integer number (4063554).

Almost surely, 2^64711130 is an apocalyptic number.

64711130 is an abundant number, since it is smaller than the sum of its proper divisors (65322598).

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

64711130 is a wasteful number, since it uses less digits than its factorization.

64711130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13742.

The product of its (nonzero) digits is 504, while the sum is 23.

The square root of 64711130 is about 8044.3228428501. The cubic root of 64711130 is about 401.4760671974.

Adding to 64711130 its reverse (3111746), we get a palindrome (67822876).

The spelling of 64711130 in words is "sixty-four million, seven hundred eleven thousand, one hundred thirty".