3975737730 has 32 divisors (see below), whose sum is σ = 9543901248. Its totient is φ = 1059960000.

The previous prime is 3975737729. The next prime is 3975737737. The reversal of 3975737730 is 377375793.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (3975737737) 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 15 ways as a sum of consecutive naturals, for example, 152985 + ... + 177075.

It is an arithmetic number, because the mean of its divisors is an integer number (298246914).

Almost surely, 2^3975737730 is an apocalyptic number.

3975737730 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

3975737730 is an abundant number, since it is smaller than the sum of its proper divisors (5568163518).

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

3975737730 is a wasteful number, since it uses less digits than its factorization.

3975737730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29602.

The product of its (nonzero) digits is 2917215, while the sum is 51.

The square root of 3975737730 is about 63053.4513726251. The cubic root of 3975737730 is about 1584.1850447974.

The spelling of 3975737730 in words is "three billion, nine hundred seventy-five million, seven hundred thirty-seven thousand, seven hundred thirty".