7542473 has 4 divisors (see below), whose sum is σ = 7611780. Its totient is φ = 7473168.

The previous prime is 7542463. The next prime is 7542481. The reversal of 7542473 is 3742457.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6012304 + 1530169 = 2452^2 + 1237^2 .

It is a cyclic number.

It is not a de Polignac number, because 7542473 - 2¹⁴ = 7526089 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (7542463) 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, 34490 + ... + 34707.

It is an arithmetic number, because the mean of its divisors is an integer number (1902945).

Almost surely, 2^7542473 is an apocalyptic number.

It is an amenable number.

7542473 is a deficient number, since it is larger than the sum of its proper divisors (69307).

7542473 is a wasteful number, since it uses less digits than its factorization.

7542473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69306.

The product of its digits is 23520, while the sum is 32.

The square root of 7542473 is about 2746.3563133723. The cubic root of 7542473 is about 196.1121893461.

The spelling of 7542473 in words is "seven million, five hundred forty-two thousand, four hundred seventy-three".