1672005049 has 24 divisors (see below), whose sum is σ = 1980405504. Its totient is φ = 1399320000.

The previous prime is 1672005019. The next prime is 1672005053. The reversal of 1672005049 is 9405002761.

It is not a de Polignac number, because 1672005049 - 2⁵ = 1672005017 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1672005019) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 856024 + ... + 857974.

It is an arithmetic number, because the mean of its divisors is an integer number (82516896).

Almost surely, 2^1672005049 is an apocalyptic number.

It is an amenable number.

1672005049 is a deficient number, since it is larger than the sum of its proper divisors (308400455).

1672005049 is a wasteful number, since it uses less digits than its factorization.

1672005049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2449 (or 2436 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 1672005049 is about 40890.1583391407. The cubic root of 1672005049 is about 1186.8956227817.

The spelling of 1672005049 in words is "one billion, six hundred seventy-two million, five thousand, forty-nine".