387072005 has 16 divisors (see below), whose sum is σ = 468633600. Its totient is φ = 306906240.

The previous prime is 387071987. The next prime is 387072011. The reversal of 387072005 is 500270783.

It is not a de Polignac number, because 387072005 - 2⁶ = 387071941 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 342281 + ... + 343409.

It is an arithmetic number, because the mean of its divisors is an integer number (29289600).

Almost surely, 2^387072005 is an apocalyptic number.

It is an amenable number.

387072005 is a deficient number, since it is larger than the sum of its proper divisors (81561595).

387072005 is a wasteful number, since it uses less digits than its factorization.

387072005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1684.

The product of its (nonzero) digits is 11760, while the sum is 32.

The square root of 387072005 is about 19674.1455977128. The cubic root of 387072005 is about 728.7813563882.

The spelling of 387072005 in words is "three hundred eighty-seven million, seventy-two thousand, five".