1684074748 has 12 divisors (see below), whose sum is σ = 2991118312. Its totient is φ = 829469520.

The previous prime is 1684074703. The next prime is 1684074797. The reversal of 1684074748 is 8474704861.

It is a super-2 number, since 2×1684074748² = 5672215513702527008, which contains 22 as substring.

It is a hoax number, since the sum of its digits (49) coincides with the sum of the digits of its distinct prime factors.

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, 3141663 + ... + 3142198.

Almost surely, 2^1684074748 is an apocalyptic number.

It is an amenable number.

1684074748 is a deficient number, since it is larger than the sum of its proper divisors (1307043564).

1684074748 is a wasteful number, since it uses less digits than its factorization.

1684074748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6283932 (or 6283930 counting only the distinct ones).

The product of its (nonzero) digits is 1204224, while the sum is 49.

The square root of 1684074748 is about 41037.4797959134. The cubic root of 1684074748 is about 1189.7447250374.

The spelling of 1684074748 in words is "one billion, six hundred eighty-four million, seventy-four thousand, seven hundred forty-eight".