3742528860 has 180 divisors, whose sum is σ = 13657549752. Its totient is φ = 855417024.

The previous prime is 3742528859. The next prime is 3742528861. The reversal of 3742528860 is 688252473.

3742528860 is a `hidden beast` number, since 3 + 7 + 42 + 528 + 86 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (3742528859) and next prime (3742528861).

It is a tau number, because it is divible by the number of its divisors (180).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3742528861) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 55807 + ... + 102953.

Almost surely, 2^3742528860 is an apocalyptic number.

3742528860 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 3742528860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6828774876).

3742528860 is an abundant number, since it is smaller than the sum of its proper divisors (9915020892).

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

3742528860 is a wasteful number, since it uses less digits than its factorization.

3742528860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47182 (or 47164 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 45.

The square root of 3742528860 is about 61176.2115531846. The cubic root of 3742528860 is about 1552.5838084002.

The spelling of 3742528860 in words is "three billion, seven hundred forty-two million, five hundred twenty-eight thousand, eight hundred sixty".