1828070720 has 56 divisors (see below), whose sum is σ = 4974969984. Its totient is φ = 626766336.

The previous prime is 1828070683. The next prime is 1828070737. The reversal of 1828070720 is 270708281.

It is a tau number, because it is divible by the number of its divisors (56).

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a congruent number.

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, 405812 + ... + 410291.

Almost surely, 2^1828070720 is an apocalyptic number.

1828070720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1828070720 is an abundant number, since it is smaller than the sum of its proper divisors (3146899264).

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

1828070720 is an equidigital number, since it uses as much as digits as its factorization.

1828070720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 816127 (or 816117 counting only the distinct ones).

The product of its (nonzero) digits is 12544, while the sum is 35.

The square root of 1828070720 is about 42755.9436803820. The cubic root of 1828070720 is about 1222.7312097626.

The spelling of 1828070720 in words is "one billion, eight hundred twenty-eight million, seventy thousand, seven hundred twenty".