1374780 has 48 divisors (see below), whose sum is σ = 4201344. Its totient is φ = 333120.

The previous prime is 1374761. The next prime is 1374787. The reversal of 1374780 is 874731.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1374787) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 382 + ... + 1701.

It is an arithmetic number, because the mean of its divisors is an integer number (87528).

2^1374780 is an apocalyptic number.

1374780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1374780 is an abundant number, since it is smaller than the sum of its proper divisors (2826564).

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

1374780 is a wasteful number, since it uses less digits than its factorization.

1374780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2106 (or 2104 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 30.

The square root of 1374780 is about 1172.5101278880. The cubic root of 1374780 is about 111.1930735986.

The spelling of 1374780 in words is "one million, three hundred seventy-four thousand, seven hundred eighty".