37830147745 has 8 divisors (see below), whose sum is σ = 48888191016. Its totient is φ = 27936109056.

The previous prime is 37830147709. The next prime is 37830147749. The reversal of 37830147745 is 54774103873.

It can be written as a sum of positive squares in 4 ways, for example, as 8315251344 + 29514896401 = 91188^2 + 171799^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 37830147745 - 2¹⁷ = 37830016673 is a prime.

It is a super-2 number, since 2×37830147745² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (37830147749) 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, 291001072 + ... + 291001201.

It is an arithmetic number, because the mean of its divisors is an integer number (6111023877).

Almost surely, 2^37830147745 is an apocalyptic number.

It is an amenable number.

37830147745 is a deficient number, since it is larger than the sum of its proper divisors (11058043271).

37830147745 is a wasteful number, since it uses less digits than its factorization.

37830147745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 582002291.

The product of its (nonzero) digits is 1975680, while the sum is 49.

The spelling of 37830147745 in words is "thirty-seven billion, eight hundred thirty million, one hundred forty-seven thousand, seven hundred forty-five".