1307672540 has 48 divisors (see below), whose sum is σ = 2815972992. Its totient is φ = 509853696.

The previous prime is 1307672497. The next prime is 1307672591. The reversal of 1307672540 is 452767031.

It is a self number, because there is not a number n which added to its sum of digits gives 1307672540.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 238874 + ... + 244286.

It is an arithmetic number, because the mean of its divisors is an integer number (58666104).

Almost surely, 2^1307672540 is an apocalyptic number.

1307672540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1307672540 is an abundant number, since it is smaller than the sum of its proper divisors (1508300452).

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

1307672540 is a wasteful number, since it uses less digits than its factorization.

1307672540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5726 (or 5724 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 35.

The square root of 1307672540 is about 36161.7552118257. The cubic root of 1307672540 is about 1093.5357896035.

The spelling of 1307672540 in words is "one billion, three hundred seven million, six hundred seventy-two thousand, five hundred forty".