7842473 has 4 divisors (see below), whose sum is σ = 8095488. Its totient is φ = 7589460.

The previous prime is 7842451. The next prime is 7842481. The reversal of 7842473 is 3742487.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 7842473 - 2⁸ = 7842217 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (7842403) 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, 126461 + ... + 126522.

It is an arithmetic number, because the mean of its divisors is an integer number (2023872).

Almost surely, 2^7842473 is an apocalyptic number.

It is an amenable number.

7842473 is a deficient number, since it is larger than the sum of its proper divisors (253015).

7842473 is a wasteful number, since it uses less digits than its factorization.

7842473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253014.

The product of its digits is 37632, while the sum is 35.

The square root of 7842473 is about 2800.4415723239. The cubic root of 7842473 is about 198.6785632537.

The spelling of 7842473 in words is "seven million, eight hundred forty-two thousand, four hundred seventy-three".