1067645432 has 32 divisors (see below), whose sum is σ = 2291159520. Its totient is φ = 456892800.

The previous prime is 1067645431. The next prime is 1067645437. The reversal of 1067645432 is 2345467601.

It is a happy number.

It is a super-2 number, since 2×1067645432² = 2279733536940933248, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1067645431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25658 + ... + 52854.

It is an arithmetic number, because the mean of its divisors is an integer number (71598735).

Almost surely, 2^1067645432 is an apocalyptic number.

It is an amenable number.

1067645432 is an abundant number, since it is smaller than the sum of its proper divisors (1223514088).

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

1067645432 is a wasteful number, since it uses less digits than its factorization.

1067645432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27911 (or 27907 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 38.

The square root of 1067645432 is about 32674.8440241113. The cubic root of 1067645432 is about 1022.0583297808.

The spelling of 1067645432 in words is "one billion, sixty-seven million, six hundred forty-five thousand, four hundred thirty-two".