3870072033 has 4 divisors (see below), whose sum is σ = 5160096048. Its totient is φ = 2580048020.

The previous prime is 3870072007. The next prime is 3870072043. The reversal of 3870072033 is 3302700783.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3870072033 - 2⁵ = 3870072001 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 3870071985 and 3870072003.

It is not an unprimeable number, because it can be changed into a prime (3870072043) 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 3 ways as a sum of consecutive naturals, for example, 645012003 + ... + 645012008.

It is an arithmetic number, because the mean of its divisors is an integer number (1290024012).

Almost surely, 2^3870072033 is an apocalyptic number.

It is an amenable number.

3870072033 is a deficient number, since it is larger than the sum of its proper divisors (1290024015).

3870072033 is a wasteful number, since it uses less digits than its factorization.

3870072033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1290024014.

The product of its (nonzero) digits is 21168, while the sum is 33.

The square root of 3870072033 is about 62209.9030139093. The cubic root of 3870072033 is about 1570.0242106156.

The spelling of 3870072033 in words is "three billion, eight hundred seventy million, seventy-two thousand, thirty-three".