7472743 has 4 divisors (see below), whose sum is σ = 7492840. Its totient is φ = 7452648.

The previous prime is 7472737. The next prime is 7472747. The reversal of 7472743 is 3472747.

It is a happy number.

7472743 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3472747 = 23 ⋅150989.

It is a cyclic number.

It is not a de Polignac number, because 7472743 - 2¹³ = 7464551 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7472699 and 7472708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7472747) 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, 9480 + ... + 10237.

It is an arithmetic number, because the mean of its divisors is an integer number (1873210).

Almost surely, 2^7472743 is an apocalyptic number.

7472743 is a deficient number, since it is larger than the sum of its proper divisors (20097).

7472743 is a wasteful number, since it uses less digits than its factorization.

7472743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20096.

The product of its digits is 32928, while the sum is 34.

The square root of 7472743 is about 2733.6318332943. The cubic root of 7472743 is about 195.5059663322.

The spelling of 7472743 in words is "seven million, four hundred seventy-two thousand, seven hundred forty-three".