1672538057 has 4 divisors (see below), whose sum is σ = 1685707776. Its totient is φ = 1659368340.

The previous prime is 1672538039. The next prime is 1672538069. The reversal of 1672538057 is 7508352761.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1672538057 - 2²⁶ = 1605429193 is a prime.

It is a super-2 number, since 2×1672538057² = 5594767104226670498, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1672537999 and 1672538017.

It is not an unprimeable number, because it can be changed into a prime (1672538027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6584669 + ... + 6584922.

It is an arithmetic number, because the mean of its divisors is an integer number (421426944).

Almost surely, 2^1672538057 is an apocalyptic number.

It is an amenable number.

1672538057 is a deficient number, since it is larger than the sum of its proper divisors (13169719).

1672538057 is a wasteful number, since it uses less digits than its factorization.

1672538057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13169718.

The product of its (nonzero) digits is 352800, while the sum is 44.

The square root of 1672538057 is about 40896.6753783238. The cubic root of 1672538057 is about 1187.0217303855.

The spelling of 1672538057 in words is "one billion, six hundred seventy-two million, five hundred thirty-eight thousand, fifty-seven".