1377472 has 14 divisors (see below), whose sum is σ = 2733548. Its totient is φ = 688704.

The previous prime is 1377469. The next prime is 1377479. The reversal of 1377472 is 2747731.

It is a super-2 number, since 2×1377472² = 3794858221568, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1377479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10698 + ... + 10825.

2^1377472 is an apocalyptic number.

It is an amenable number.

1377472 is a deficient number, since it is larger than the sum of its proper divisors (1356076).

1377472 is an equidigital number, since it uses as much as digits as its factorization.

1377472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21535 (or 21525 counting only the distinct ones).

The product of its digits is 8232, while the sum is 31.

The square root of 1377472 is about 1173.6575309689. The cubic root of 1377472 is about 111.2656031644.

It can be divided in two parts, 1377 and 472, that added together give a square (1849 = 43²).

The spelling of 1377472 in words is "one million, three hundred seventy-seven thousand, four hundred seventy-two".