1372723 has 4 divisors (see below), whose sum is σ = 1497528. Its totient is φ = 1247920.

The previous prime is 1372673. The next prime is 1372727. The reversal of 1372723 is 3272731.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1372723 - 2⁹ = 1372211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1372727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62386 + ... + 62407.

It is an arithmetic number, because the mean of its divisors is an integer number (374382).

2^1372723 is an apocalyptic number.

1372723 is a deficient number, since it is larger than the sum of its proper divisors (124805).

1372723 is a wasteful number, since it uses less digits than its factorization.

1372723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124804.

The product of its digits is 1764, while the sum is 25.

The square root of 1372723 is about 1171.6326216012. The cubic root of 1372723 is about 111.1375887640.

The spelling of 1372723 in words is "one million, three hundred seventy-two thousand, seven hundred twenty-three".