7489743 has 32 divisors (see below), whose sum is σ = 11404800. Its totient is φ = 4346496.

The previous prime is 7489739. The next prime is 7489771. The reversal of 7489743 is 3479847.

It is not a de Polignac number, because 7489743 - 2² = 7489739 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7489695 and 7489704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7489733) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 37921 + ... + 38117.

It is an arithmetic number, because the mean of its divisors is an integer number (356400).

Almost surely, 2^7489743 is an apocalyptic number.

7489743 is a deficient number, since it is larger than the sum of its proper divisors (3915057).

7489743 is a wasteful number, since it uses less digits than its factorization.

7489743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271.

The product of its digits is 169344, while the sum is 42.

The square root of 7489743 is about 2736.7394833999. The cubic root of 7489743 is about 195.6541084661.

The spelling of 7489743 in words is "seven million, four hundred eighty-nine thousand, seven hundred forty-three".