1370870028 has 96 divisors (see below), whose sum is σ = 3894912000. Its totient is φ = 413519040.

The previous prime is 1370870023. The next prime is 1370870041. The reversal of 1370870028 is 8200780731.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 1370869974 and 1370870001.

It is not an unprimeable number, because it can be changed into a prime (1370870023) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 269533 + ... + 274571.

It is an arithmetic number, because the mean of its divisors is an integer number (40572000).

Almost surely, 2^1370870028 is an apocalyptic number.

1370870028 is a gapful number since it is divisible by the number (18) 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 1370870028, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1947456000).

1370870028 is an abundant number, since it is smaller than the sum of its proper divisors (2524041972).

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

1370870028 is a wasteful number, since it uses less digits than its factorization.

1370870028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5292 (or 5284 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 36.

The square root of 1370870028 is about 37025.2620247312. The cubic root of 1370870028 is about 1110.8755983846.

The spelling of 1370870028 in words is "one billion, three hundred seventy million, eight hundred seventy thousand, twenty-eight".