7900743 has 4 divisors (see below), whose sum is σ = 10534328. Its totient is φ = 5267160.

The previous prime is 7900709. The next prime is 7900757. The reversal of 7900743 is 3470097.

7900743 is digitally balanced in base 4, 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: 3470097 = 3 ⋅1156699.

It is not a de Polignac number, because 7900743 - 2⁶ = 7900679 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7900743.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7900793) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1316788 + ... + 1316793.

It is an arithmetic number, because the mean of its divisors is an integer number (2633582).

Almost surely, 2^7900743 is an apocalyptic number.

7900743 is a deficient number, since it is larger than the sum of its proper divisors (2633585).

7900743 is a wasteful number, since it uses less digits than its factorization.

7900743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2633584.

The product of its (nonzero) digits is 5292, while the sum is 30.

The square root of 7900743 is about 2810.8260351719. The cubic root of 7900743 is about 199.1694137407.

The spelling of 7900743 in words is "seven million, nine hundred thousand, seven hundred forty-three".