1373625 has 64 divisors (see below), whose sum is σ = 2845440. Its totient is φ = 648000.

The previous prime is 1373611. The next prime is 1373627. The reversal of 1373625 is 5263731.

It is a happy number.

1373625 is a `hidden beast` number, since 1 + 37 + 3 + 625 = 666.

It is not a de Polignac number, because 1373625 - 2⁷ = 1373497 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

1373625 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1373627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 37107 + ... + 37143.

It is an arithmetic number, because the mean of its divisors is an integer number (44460).

2^1373625 is an apocalyptic number.

1373625 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1373625 is an abundant number, since it is smaller than the sum of its proper divisors (1471815).

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

1373625 is a wasteful number, since it uses less digits than its factorization.

1373625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72 (or 56 counting only the distinct ones).

The product of its digits is 3780, while the sum is 27.

The square root of 1373625 is about 1172.0174913371. The cubic root of 1373625 is about 111.1619258313.

The spelling of 1373625 in words is "one million, three hundred seventy-three thousand, six hundred twenty-five".