7973542 has 4 divisors (see below), whose sum is σ = 11960316. Its totient is φ = 3986770.

The previous prime is 7973519. The next prime is 7973543. The reversal of 7973542 is 2453797.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2453797 = 17 ⋅144341.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7973543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1993384 + ... + 1993387.

It is an arithmetic number, because the mean of its divisors is an integer number (2990079).

Almost surely, 2^7973542 is an apocalyptic number.

7973542 is a deficient number, since it is larger than the sum of its proper divisors (3986774).

7973542 is a wasteful number, since it uses less digits than its factorization.

7973542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3986773.

The product of its digits is 52920, while the sum is 37.

The square root of 7973542 is about 2823.7460934015. The cubic root of 7973542 is about 199.7792731546.

It can be divided in two parts, 7973 and 542, that added together give a triangular number (8515 = T₁₃₀).

The spelling of 7973542 in words is "seven million, nine hundred seventy-three thousand, five hundred forty-two".