64871130 has 32 divisors (see below), whose sum is σ = 163886400. Its totient is φ = 16388352.

The previous prime is 64871129. The next prime is 64871137. The reversal of 64871130 is 3117846.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (64871137) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56335 + ... + 57474.

It is an arithmetic number, because the mean of its divisors is an integer number (5121450).

Almost surely, 2^64871130 is an apocalyptic number.

64871130 is an abundant number, since it is smaller than the sum of its proper divisors (99015270).

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

64871130 is a wasteful number, since it uses less digits than its factorization.

64871130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113838.

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 64871130 is about 8054.2616048897. The cubic root of 64871130 is about 401.8066816345.

Adding to 64871130 its reverse (3117846), we get a palindrome (67988976).

The spelling of 64871130 in words is "sixty-four million, eight hundred seventy-one thousand, one hundred thirty".