1627432345 has 48 divisors (see below), whose sum is σ = 2515555008. Its totient is φ = 999250560.

The previous prime is 1627432319. The next prime is 1627432349. The reversal of 1627432345 is 5432347261.

It is not a de Polignac number, because 1627432345 - 2⁷ = 1627432217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1627432349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 176059 + ... + 185071.

It is an arithmetic number, because the mean of its divisors is an integer number (52407396).

Almost surely, 2^1627432345 is an apocalyptic number.

It is an amenable number.

1627432345 is a deficient number, since it is larger than the sum of its proper divisors (888122663).

1627432345 is a wasteful number, since it uses less digits than its factorization.

1627432345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9110 (or 9103 counting only the distinct ones).

The product of its digits is 120960, while the sum is 37.

The square root of 1627432345 is about 40341.4469869389. The cubic root of 1627432345 is about 1176.2536419076.

The spelling of 1627432345 in words is "one billion, six hundred twenty-seven million, four hundred thirty-two thousand, three hundred forty-five".