1671672764 has 12 divisors (see below), whose sum is σ = 3097511424. Its totient is φ = 786669504.

The previous prime is 1671672757. The next prime is 1671672803. The reversal of 1671672764 is 4672761761.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12291644 + ... + 12291779.

It is an arithmetic number, because the mean of its divisors is an integer number (258125952).

Almost surely, 2^1671672764 is an apocalyptic number.

It is an amenable number.

1671672764 is a deficient number, since it is larger than the sum of its proper divisors (1425838660).

1671672764 is a wasteful number, since it uses less digits than its factorization.

1671672764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24583444 (or 24583442 counting only the distinct ones).

The product of its digits is 592704, while the sum is 47.

The square root of 1671672764 is about 40886.0949957317. The cubic root of 1671672764 is about 1186.8169918906.

The spelling of 1671672764 in words is "one billion, six hundred seventy-one million, six hundred seventy-two thousand, seven hundred sixty-four".