1370720064 has 168 divisors, whose sum is σ = 4404197440. Its totient is φ = 368492544.

The previous prime is 1370720063. The next prime is 1370720069. The reversal of 1370720064 is 4600270731.

It is a tau number, because it is divible by the number of its divisors (168).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1370720063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 386652 + ... + 390180.

Almost surely, 2^1370720064 is an apocalyptic number.

1370720064 is a gapful number since it is divisible by the number (14) 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 1370720064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2202098720).

1370720064 is an abundant number, since it is smaller than the sum of its proper divisors (3033477376).

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

1370720064 is a wasteful number, since it uses less digits than its factorization.

1370720064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3585 (or 3558 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 30.

The square root of 1370720064 is about 37023.2368114945. The cubic root of 1370720064 is about 1110.8350894573.

Adding to 1370720064 its reverse (4600270731), we get a palindrome (5970990795).

The spelling of 1370720064 in words is "one billion, three hundred seventy million, seven hundred twenty thousand, sixty-four".