3730340820 has 24 divisors (see below), whose sum is σ = 10444954464. Its totient is φ = 994757536.

The previous prime is 3730340819. The next prime is 3730340827. The reversal of 3730340820 is 280430373.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3730340827) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31086114 + ... + 31086233.

It is an arithmetic number, because the mean of its divisors is an integer number (435206436).

Almost surely, 2^3730340820 is an apocalyptic number.

3730340820 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3730340820 is an abundant number, since it is smaller than the sum of its proper divisors (6714613644).

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

3730340820 is a wasteful number, since it uses less digits than its factorization.

3730340820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62172359 (or 62172357 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 30.

The square root of 3730340820 is about 61076.5161088941. The cubic root of 3730340820 is about 1550.8965773669.

The spelling of 3730340820 in words is "three billion, seven hundred thirty million, three hundred forty thousand, eight hundred twenty".