7343731 has 4 divisors (see below), whose sum is σ = 7412472. Its totient is φ = 7274992.

The previous prime is 7343719. The next prime is 7343737. The reversal of 7343731 is 1373437.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1373437 = 13 ⋅105649.

It is a cyclic number.

It is not a de Polignac number, because 7343731 - 2¹⁹ = 6819443 is a prime.

It is a super-2 number, since 2×7343731² = 107860770000722, which contains 22 as substring.

It is a Duffinian number.

It is a zygodrome in base 2 and base 5.

It is a self number, because there is not a number n which added to its sum of digits gives 7343731.

It is not an unprimeable number, because it can be changed into a prime (7343737) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34210 + ... + 34423.

It is an arithmetic number, because the mean of its divisors is an integer number (1853118).

Almost surely, 2^7343731 is an apocalyptic number.

7343731 is a deficient number, since it is larger than the sum of its proper divisors (68741).

7343731 is a wasteful number, since it uses less digits than its factorization.

7343731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68740.

The product of its digits is 5292, while the sum is 28.

The square root of 7343731 is about 2709.9319179640. The cubic root of 7343731 is about 194.3743348026.

It can be divided in two parts, 734 and 3731, that added together give a triangular number (4465 = T₉₄).

The spelling of 7343731 in words is "seven million, three hundred forty-three thousand, seven hundred thirty-one".