64087380 has 144 divisors (see below), whose sum is σ = 233950080. Its totient is φ = 13872384.

The previous prime is 64087351. The next prime is 64087381. The reversal of 64087380 is 8378046.

64087380 is a `hidden beast` number, since 640 + 8 + 7 + 3 + 8 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64087381) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 22602 + ... + 25278.

Almost surely, 2^64087380 is an apocalyptic number.

64087380 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 64087380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (116975040).

64087380 is an abundant number, since it is smaller than the sum of its proper divisors (169862700).

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

64087380 is a wasteful number, since it uses less digits than its factorization.

64087380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2718 (or 2713 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 64087380 is about 8005.4593871932. The cubic root of 64087380 is about 400.1819588815.

The spelling of 64087380 in words is "sixty-four million, eighty-seven thousand, three hundred eighty".