64901120 has 52 divisors (see below), whose sum is σ = 155792820. Its totient is φ = 25952256.

The previous prime is 64901117. The next prime is 64901143. The reversal of 64901120 is 2110946.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 39337984 + 25563136 = 6272^2 + 5056^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18896 + ... + 22064.

Almost surely, 2^64901120 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 64901120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77896410).

64901120 is an abundant number, since it is smaller than the sum of its proper divisors (90891700).

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

64901120 is an equidigital number, since it uses as much as digits as its factorization.

64901120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3198 (or 3176 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 64901120 is about 8056.1231370927. The cubic root of 64901120 is about 401.8685906631.

The spelling of 64901120 in words is "sixty-four million, nine hundred one thousand, one hundred twenty".