3664703520 has 192 divisors, whose sum is σ = 12857927040. Its totient is φ = 974859264.

The previous prime is 3664703519. The next prime is 3664703563. The reversal of 3664703520 is 253074663.

3664703520 is a `hidden beast` number, since 3 + 6 + 64 + 70 + 3 + 520 = 666.

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

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, 2405479 + ... + 2407001.

It is an arithmetic number, because the mean of its divisors is an integer number (66968370).

Almost surely, 2^3664703520 is an apocalyptic number.

3664703520 is a gapful number since it is divisible by the number (30) 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 3664703520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6428963520).

3664703520 is an abundant number, since it is smaller than the sum of its proper divisors (9193223520).

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

3664703520 is a wasteful number, since it uses less digits than its factorization.

3664703520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2104 (or 2090 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 36.

The square root of 3664703520 is about 60536.7947615333. The cubic root of 3664703520 is about 1541.7464192619.

The spelling of 3664703520 in words is "three billion, six hundred sixty-four million, seven hundred three thousand, five hundred twenty".