1676427640 has 32 divisors (see below), whose sum is σ = 3775481280. Its totient is φ = 669945472.

The previous prime is 1676427629. The next prime is 1676427661. The reversal of 1676427640 is 467246761.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25122 + ... + 63118.

It is an arithmetic number, because the mean of its divisors is an integer number (117983790).

Almost surely, 2^1676427640 is an apocalyptic number.

1676427640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1676427640 is an abundant number, since it is smaller than the sum of its proper divisors (2099053640).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1676427640 is a wasteful number, since it uses less digits than its factorization.

1676427640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39111 (or 39107 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 43.

The square root of 1676427640 is about 40944.2015430757. The cubic root of 1676427640 is about 1187.9411803382.

The spelling of 1676427640 in words is "one billion, six hundred seventy-six million, four hundred twenty-seven thousand, six hundred forty".