1421476720 has 40 divisors (see below), whose sum is σ = 3334201776. Its totient is φ = 563555328.

The previous prime is 1421476691. The next prime is 1421476733. The reversal of 1421476720 is 276741241.

It is a happy number.

1421476720 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (40).

It is a hoax number, since the sum of its digits (34) 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 (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69582 + ... + 87661.

Almost surely, 2^1421476720 is an apocalyptic number.

1421476720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1421476720 is an abundant number, since it is smaller than the sum of its proper divisors (1912725056).

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

1421476720 is a wasteful number, since it uses less digits than its factorization.

1421476720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157369 (or 157363 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 34.

The square root of 1421476720 is about 37702.4763112451. The cubic root of 1421476720 is about 1124.3803586867.

The spelling of 1421476720 in words is "one billion, four hundred twenty-one million, four hundred seventy-six thousand, seven hundred twenty".