2472729 has 16 divisors (see below), whose sum is σ = 3821952. Its totient is φ = 1392768.

The previous prime is 2472727. The next prime is 2472731. The reversal of 2472729 is 9272742.

It is an interprime number because it is at equal distance from previous prime (2472727) and next prime (2472731).

It is not a de Polignac number, because 2472729 - 2¹ = 2472727 is a prime.

It is a super-2 number, since 2×2472729² = 12228777414882, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2472729.

It is not an unprimeable number, because it can be changed into a prime (2472727) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 727 + ... + 2339.

It is an arithmetic number, because the mean of its divisors is an integer number (238872).

2^2472729 is an apocalyptic number.

It is an amenable number.

2472729 is a deficient number, since it is larger than the sum of its proper divisors (1349223).

2472729 is a wasteful number, since it uses less digits than its factorization.

2472729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1696.

The product of its digits is 14112, while the sum is 33.

The square root of 2472729 is about 1572.4913354292. The cubic root of 2472729 is about 135.2255762276.

The spelling of 2472729 in words is "two million, four hundred seventy-two thousand, seven hundred twenty-nine".