1472729 has 4 divisors (see below), whose sum is σ = 1485876. Its totient is φ = 1459584.

The previous prime is 1472719. The next prime is 1472743. The reversal of 1472729 is 9272741.

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

It can be written as a sum of positive squares in 2 ways, for example, as 366025 + 1106704 = 605^2 + 1052^2 .

It is a cyclic number.

It is not a de Polignac number, because 1472729 - 2¹² = 1468633 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1472695 and 1472704.

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, 6404 + ... + 6629.

It is an arithmetic number, because the mean of its divisors is an integer number (371469).

2^1472729 is an apocalyptic number.

It is an amenable number.

1472729 is a deficient number, since it is larger than the sum of its proper divisors (13147).

1472729 is a wasteful number, since it uses less digits than its factorization.

1472729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13146.

The product of its digits is 7056, while the sum is 32.

The square root of 1472729 is about 1213.5604640890. The cubic root of 1472729 is about 113.7734548904.

The spelling of 1472729 in words is "one million, four hundred seventy-two thousand, seven hundred twenty-nine".