1370643472 has 60 divisors (see below), whose sum is σ = 3019767660. Its totient is φ = 601511680.

The previous prime is 1370643419. The next prime is 1370643487. The reversal of 1370643472 is 2743460731.

It can be written as a sum of positive squares in 2 ways, for example, as 485937936 + 884705536 = 22044^2 + 29744^2 .

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 an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 43938 + ... + 68350.

It is an arithmetic number, because the mean of its divisors is an integer number (50329461).

Almost surely, 2^1370643472 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1370643472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1509883830).

1370643472 is an abundant number, since it is smaller than the sum of its proper divisors (1649124188).

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

1370643472 is a wasteful number, since it uses less digits than its factorization.

1370643472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24472 (or 24455 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 37.

The square root of 1370643472 is about 37022.2024196292. The cubic root of 1370643472 is about 1110.8143989535.

The spelling of 1370643472 in words is "one billion, three hundred seventy million, six hundred forty-three thousand, four hundred seventy-two".