1406780732 has 12 divisors (see below), whose sum is σ = 2813561520. Its totient is φ = 602906016.

The previous prime is 1406780707. The next prime is 1406780741. The reversal of 1406780732 is 2370876041.

1406780732 is an admirable number.

It is a hoax number, since the sum of its digits (38) 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 pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25121057 + ... + 25121112.

It is an arithmetic number, because the mean of its divisors is an integer number (234463460).

Almost surely, 2^1406780732 is an apocalyptic number.

It is an amenable number.

1406780732 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1406780732 is a wasteful number, since it uses less digits than its factorization.

1406780732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50242180 (or 50242178 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 38.

The square root of 1406780732 is about 37507.0757591151. The cubic root of 1406780732 is about 1120.4921126099.

The spelling of 1406780732 in words is "one billion, four hundred six million, seven hundred eighty thousand, seven hundred thirty-two".