64914798 has 64 divisors (see below), whose sum is σ = 145861632. Its totient is φ = 19128960.

The previous prime is 64914791. The next prime is 64914799. The reversal of 64914798 is 89741946.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64914791) 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, 239403 + ... + 239673.

It is an arithmetic number, because the mean of its divisors is an integer number (2279088).

Almost surely, 2^64914798 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 64914798, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72930816).

64914798 is an abundant number, since it is smaller than the sum of its proper divisors (80946834).

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

64914798 is a wasteful number, since it uses less digits than its factorization.

64914798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 409.

The product of its digits is 435456, while the sum is 48.

The square root of 64914798 is about 8056.9720118665. The cubic root of 64914798 is about 401.8968201322.

The spelling of 64914798 in words is "sixty-four million, nine hundred fourteen thousand, seven hundred ninety-eight".