1370772 has 72 divisors (see below), whose sum is σ = 3898440. Its totient is φ = 403200.

The previous prime is 1370749. The next prime is 1370773. The reversal of 1370772 is 2770731.

It can be written as a sum of positive squares in 4 ways, for example, as 318096 + 1052676 = 564^2 + 1026^2 .

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1370773) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13522 + ... + 13622.

It is an arithmetic number, because the mean of its divisors is an integer number (54145).

2^1370772 is an apocalyptic number.

1370772 is a gapful number since it is divisible by the number (12) 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 1370772, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1949220).

1370772 is an abundant number, since it is smaller than the sum of its proper divisors (2527668).

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

1370772 is a wasteful number, since it uses less digits than its factorization.

1370772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153 (or 148 counting only the distinct ones).

The product of its (nonzero) digits is 2058, while the sum is 27.

The square root of 1370772 is about 1170.7997266826. The cubic root of 1370772 is about 111.0849118970.

The spelling of 1370772 in words is "one million, three hundred seventy thousand, seven hundred seventy-two".