2734731 has 6 divisors (see below), whose sum is σ = 3950180. Its totient is φ = 1823148.

The previous prime is 2734717. The next prime is 2734733. The reversal of 2734731 is 1374372.

2734731 = 198² + 199² + ... + 251².

It is not a de Polignac number, because 2734731 - 2⁹ = 2734219 is a prime.

It is a super-2 number, since 2×2734731² = 14957507284722, which contains 22 as substring.

It is a d-powerful number, because it can be written as 2¹⁵ + 7 + 3¹⁰ + 4¹⁰ + 7 + 3¹³ + 1 .

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2734695 and 2734704.

It is not an unprimeable number, because it can be changed into a prime (2734733) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 151921 + ... + 151938.

2^2734731 is an apocalyptic number.

2734731 is a deficient number, since it is larger than the sum of its proper divisors (1215449).

2734731 is a wasteful number, since it uses less digits than its factorization.

2734731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303865 (or 303862 counting only the distinct ones).

The product of its digits is 3528, while the sum is 27.

The square root of 2734731 is about 1653.7022101938. The cubic root of 2734731 is about 139.8421861180.

The spelling of 2734731 in words is "two million, seven hundred thirty-four thousand, seven hundred thirty-one".