1672200387 has 48 divisors (see below), whose sum is σ = 2864429568. Its totient is φ = 926677440.

The previous prime is 1672200379. The next prime is 1672200391. The reversal of 1672200387 is 7830022761.

1672200387 is a `hidden beast` number, since 1 + 6 + 72 + 200 + 387 = 666.

It is not a de Polignac number, because 1672200387 - 2³ = 1672200379 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1672200367) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 131638 + ... + 143780.

It is an arithmetic number, because the mean of its divisors is an integer number (59675616).

Almost surely, 2^1672200387 is an apocalyptic number.

1672200387 is a deficient number, since it is larger than the sum of its proper divisors (1192229181).

1672200387 is a wasteful number, since it uses less digits than its factorization.

1672200387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12280 (or 12277 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 36.

The square root of 1672200387 is about 40892.5468392469. The cubic root of 1672200387 is about 1186.9418420977.

The spelling of 1672200387 in words is "one billion, six hundred seventy-two million, two hundred thousand, three hundred eighty-seven".