672002563 has 6 divisors (see below), whose sum is σ = 682247876. Its totient is φ = 661763652.

The previous prime is 672002521. The next prime is 672002567. The reversal of 672002563 is 365200276.

It is not a de Polignac number, because 672002563 - 2¹³ = 671994371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (672002567) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 210606 + ... + 213772.

Almost surely, 2^672002563 is an apocalyptic number.

672002563 is a deficient number, since it is larger than the sum of its proper divisors (10245313).

672002563 is an frugal number, since it uses more digits than its factorization.

672002563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6401 (or 3234 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 31.

The square root of 672002563 is about 25923.0122285200. The cubic root of 672002563 is about 875.9049415384.

The spelling of 672002563 in words is "six hundred seventy-two million, two thousand, five hundred sixty-three".