1675745420 has 24 divisors (see below), whose sum is σ = 3726069984. Its totient is φ = 630868736.

The previous prime is 1675745411. The next prime is 1675745443. The reversal of 1675745420 is 245475761.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2463992 + ... + 2464671.

It is an arithmetic number, because the mean of its divisors is an integer number (155252916).

Almost surely, 2^1675745420 is an apocalyptic number.

1675745420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1675745420 is an abundant number, since it is smaller than the sum of its proper divisors (2050324564).

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

1675745420 is a wasteful number, since it uses less digits than its factorization.

1675745420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4928689 (or 4928687 counting only the distinct ones).

The product of its (nonzero) digits is 235200, while the sum is 41.

The square root of 1675745420 is about 40935.8696011212. The cubic root of 1675745420 is about 1187.7800147793.

The spelling of 1675745420 in words is "one billion, six hundred seventy-five million, seven hundred forty-five thousand, four hundred twenty".