1672776057 has 16 divisors (see below), whose sum is σ = 2316960000. Its totient is φ = 1072210944.

The previous prime is 1672776043. The next prime is 1672776103. The reversal of 1672776057 is 7506772761.

It is not a de Polignac number, because 1672776057 - 2¹⁰ = 1672775033 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1672775997 and 1672776015.

It is not an unprimeable number, because it can be changed into a prime (1672776757) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19432 + ... + 61017.

It is an arithmetic number, because the mean of its divisors is an integer number (144810000).

Almost surely, 2^1672776057 is an apocalyptic number.

It is an amenable number.

1672776057 is a deficient number, since it is larger than the sum of its proper divisors (644183943).

1672776057 is a wasteful number, since it uses less digits than its factorization.

1672776057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80720.

The product of its (nonzero) digits is 864360, while the sum is 48.

The square root of 1672776057 is about 40899.5850467948. The cubic root of 1672776057 is about 1187.0780316001.

The spelling of 1672776057 in words is "one billion, six hundred seventy-two million, seven hundred seventy-six thousand, fifty-seven".