3700139730 has 64 divisors (see below), whose sum is σ = 10155552768. Its totient is φ = 845196480.

The previous prime is 3700139711. The next prime is 3700139731. The reversal of 3700139730 is 379310073.

It is a junction number, because it is equal to n+sod(n) for n = 3700139691 and 3700139700.

It is not an unprimeable number, because it can be changed into a prime (3700139731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 379699 + ... + 389321.

It is an arithmetic number, because the mean of its divisors is an integer number (158680512).

Almost surely, 2^3700139730 is an apocalyptic number.

3700139730 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

3700139730 is an abundant number, since it is smaller than the sum of its proper divisors (6455413038).

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

3700139730 is a wasteful number, since it uses less digits than its factorization.

3700139730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11471.

The product of its (nonzero) digits is 11907, while the sum is 33.

The square root of 3700139730 is about 60828.7738656633. The cubic root of 3700139730 is about 1546.6998435854.

The spelling of 3700139730 in words is "three billion, seven hundred million, one hundred thirty-nine thousand, seven hundred thirty".