1679049772 has 36 divisors (see below), whose sum is σ = 3175610256. Its totient is φ = 775297600.

The previous prime is 1679049769. The next prime is 1679049781. The reversal of 1679049772 is 2779409761.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 66522 + ... + 88222.

It is an arithmetic number, because the mean of its divisors is an integer number (88211396).

Almost surely, 2^1679049772 is an apocalyptic number.

It is an amenable number.

1679049772 is a deficient number, since it is larger than the sum of its proper divisors (1496560484).

1679049772 is a wasteful number, since it uses less digits than its factorization.

1679049772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21786 (or 21755 counting only the distinct ones).

The product of its (nonzero) digits is 1333584, while the sum is 52.

The square root of 1679049772 is about 40976.2098296072. The cubic root of 1679049772 is about 1188.5602180813.

The spelling of 1679049772 in words is "one billion, six hundred seventy-nine million, forty-nine thousand, seven hundred seventy-two".