1373703420 has 96 divisors (see below), whose sum is σ = 4057159680. Its totient is φ = 346325760.

The previous prime is 1373703391. The next prime is 1373703467. The reversal of 1373703420 is 243073731.

It is a super-2 number, since 2×1373703420² = 3774122172239392800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 752629 + ... + 754451.

It is an arithmetic number, because the mean of its divisors is an integer number (42262080).

Almost surely, 2^1373703420 is an apocalyptic number.

1373703420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1373703420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2028579840).

1373703420 is an abundant number, since it is smaller than the sum of its proper divisors (2683456260).

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

1373703420 is a wasteful number, since it uses less digits than its factorization.

1373703420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2515 (or 2513 counting only the distinct ones).

The product of its (nonzero) digits is 10584, while the sum is 30.

The square root of 1373703420 is about 37063.5052308872. The cubic root of 1373703420 is about 1111.6404119573.

The spelling of 1373703420 in words is "one billion, three hundred seventy-three million, seven hundred three thousand, four hundred twenty".