1472731 has 4 divisors (see below), whose sum is σ = 1586032. Its totient is φ = 1359432.

The previous prime is 1472719. The next prime is 1472743. The reversal of 1472731 is 1372741.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1372741 = 151 ⋅9091.

It is an interprime number because it is at equal distance from previous prime (1472719) and next prime (1472743).

It is a cyclic number.

It is not a de Polignac number, because 1472731 - 2¹¹ = 1470683 is a prime.

It is a super-2 number, since 2×1472731² = 4337873196722, which contains 22 as substring.

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

It is a Duffinian number.

1472731 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 1472696 and 1472705.

It is not an unprimeable number, because it can be changed into a prime (1472701) 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 3 ways as a sum of consecutive naturals, for example, 56631 + ... + 56656.

It is an arithmetic number, because the mean of its divisors is an integer number (396508).

2^1472731 is an apocalyptic number.

1472731 is a deficient number, since it is larger than the sum of its proper divisors (113301).

1472731 is a wasteful number, since it uses less digits than its factorization.

1472731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113300.

The product of its digits is 1176, while the sum is 25.

The square root of 1472731 is about 1213.5612881103. The cubic root of 1472731 is about 113.7735063927.

The spelling of 1472731 in words is "one million, four hundred seventy-two thousand, seven hundred thirty-one".