2001672634 has 16 divisors (see below), whose sum is σ = 3238737768. Its totient is φ = 922344192.

The previous prime is 2001672619. The next prime is 2001672643. The reversal of 2001672634 is 4362761002.

It can be written as a sum of positive squares in 4 ways, for example, as 939238609 + 1062434025 = 30647^2 + 32595^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2001672596 and 2001672605.

It is an unprimeable number.

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, 46347 + ... + 78430.

Almost surely, 2^2001672634 is an apocalyptic number.

2001672634 is a deficient number, since it is larger than the sum of its proper divisors (1237065134).

2001672634 is a wasteful number, since it uses less digits than its factorization.

2001672634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125409.

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 2001672634 is about 44740.0562583464. The cubic root of 2001672634 is about 1260.2721831577.

The spelling of 2001672634 in words is "two billion, one million, six hundred seventy-two thousand, six hundred thirty-four".