1472739 has 4 divisors (see below), whose sum is σ = 1963656. Its totient is φ = 981824.

The previous prime is 1472719. The next prime is 1472743. The reversal of 1472739 is 9372741.

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 1472739 - 2²⁰ = 424163 is a prime.

It is a d-powerful number, because it can be written as 1 + 4³ + 7⁶ + 2⁵ + 7⁷ + 3¹² + 9 .

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (1472719) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 245454 + ... + 245459.

It is an arithmetic number, because the mean of its divisors is an integer number (490914).

2^1472739 is an apocalyptic number.

1472739 is a deficient number, since it is larger than the sum of its proper divisors (490917).

1472739 is an equidigital number, since it uses as much as digits as its factorization.

1472739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 490916.

The product of its digits is 10584, while the sum is 33.

The square root of 1472739 is about 1213.5645841899. The cubic root of 1472739 is about 113.7737124015.

It can be divided in two parts, 1472 and 739, that added together give a triangular number (2211 = T₆₆).

The spelling of 1472739 in words is "one million, four hundred seventy-two thousand, seven hundred thirty-nine".