1627375420 has 48 divisors (see below), whose sum is σ = 3814892928. Its totient is φ = 578007360.

The previous prime is 1627375391. The next prime is 1627375427. The reversal of 1627375420 is 245737261.

It is a happy number.

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors.

It is a zygodrome in base 2.

It is a self number, because there is not a number n which added to its sum of digits gives 1627375420.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1627375427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 76554 + ... + 95473.

It is an arithmetic number, because the mean of its divisors is an integer number (79476936).

Almost surely, 2^1627375420 is an apocalyptic number.

1627375420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1627375420 is an abundant number, since it is smaller than the sum of its proper divisors (2187517508).

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

1627375420 is a wasteful number, since it uses less digits than its factorization.

1627375420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172090 (or 172088 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 37.

The square root of 1627375420 is about 40340.7414408808. The cubic root of 1627375420 is about 1176.2399272527.

The spelling of 1627375420 in words is "one billion, six hundred twenty-seven million, three hundred seventy-five thousand, four hundred twenty".