64547130 has 64 divisors (see below), whose sum is σ = 166561920. Its totient is φ = 15949824.

The previous prime is 64547101. The next prime is 64547141. The reversal of 64547130 is 3174546.

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

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 33226 + ... + 35114.

It is an arithmetic number, because the mean of its divisors is an integer number (2602530).

Almost surely, 2^64547130 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 64547130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83280960).

64547130 is an abundant number, since it is smaller than the sum of its proper divisors (102014790).

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

64547130 is a wasteful number, since it uses less digits than its factorization.

64547130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1983.

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 64547130 is about 8034.1228519360. The cubic root of 64547130 is about 401.1366213373.

The spelling of 64547130 in words is "sixty-four million, five hundred forty-seven thousand, one hundred thirty".