64880130 has 64 divisors (see below), whose sum is σ = 178599168. Its totient is φ = 14776320.

The previous prime is 64880119. The next prime is 64880131. The reversal of 64880130 is 3108846.

It is a happy number.

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (64880131) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 109114 + ... + 109706.

It is an arithmetic number, because the mean of its divisors is an integer number (2790612).

Almost surely, 2^64880130 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 64880130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89299584).

64880130 is an abundant number, since it is smaller than the sum of its proper divisors (113719038).

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

64880130 is a wasteful number, since it uses less digits than its factorization.

64880130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1131.

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 64880130 is about 8054.8202959470. The cubic root of 64880130 is about 401.8252625395.

Adding to 64880130 its reverse (3108846), we get a palindrome (67988976).

The spelling of 64880130 in words is "sixty-four million, eight hundred eighty thousand, one hundred thirty".