3752723520 has 1120 divisors, whose sum is σ = 17266115328. Its totient is φ = 752467968.

The previous prime is 3752723503. The next prime is 3752723521. The reversal of 3752723520 is 253272573.

3752723520 is a `hidden beast` number, since 37 + 5 + 272 + 352 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (1120).

It is a super-2 number, since 2×3752723520² = 28165867635122380800, which contains 22 as substring.

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 (3752723521) by changing a digit.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 87272619 + ... + 87272661.

Almost surely, 2^3752723520 is an apocalyptic number.

3752723520 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 3752723520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8633057664).

3752723520 is an abundant number, since it is smaller than the sum of its proper divisors (13513391808).

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

3752723520 is a wasteful number, since it uses less digits than its factorization.

3752723520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129 (or 110 counting only the distinct ones).

The product of its (nonzero) digits is 88200, while the sum is 36.

The square root of 3752723520 is about 61259.4769811170. The cubic root of 3752723520 is about 1553.9922779539.

The spelling of 3752723520 in words is "three billion, seven hundred fifty-two million, seven hundred twenty-three thousand, five hundred twenty".