1421525672 has 48 divisors (see below), whose sum is σ = 3235347360. Its totient is φ = 582733536.

The previous prime is 1421525663. The next prime is 1421525723. The reversal of 1421525672 is 2765251241.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 69818 + ... + 87849.

It is an arithmetic number, because the mean of its divisors is an integer number (67403070).

Almost surely, 2^1421525672 is an apocalyptic number.

It is an amenable number.

1421525672 is an abundant number, since it is smaller than the sum of its proper divisors (1813821688).

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

1421525672 is a wasteful number, since it uses less digits than its factorization.

1421525672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157710 (or 157699 counting only the distinct ones).

The product of its digits is 33600, while the sum is 35.

The square root of 1421525672 is about 37703.1254937837. The cubic root of 1421525672 is about 1124.3932654605.

The spelling of 1421525672 in words is "one billion, four hundred twenty-one million, five hundred twenty-five thousand, six hundred seventy-two".