7286542 has 4 divisors (see below), whose sum is σ = 10929816. Its totient is φ = 3643270.

The previous prime is 7286537. The next prime is 7286603. The reversal of 7286542 is 2456827.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2456827 = 107 ⋅22961.

It is a junction number, because it is equal to n+sod(n) for n = 7286498 and 7286507.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1821634 + ... + 1821637.

It is an arithmetic number, because the mean of its divisors is an integer number (2732454).

Almost surely, 2^7286542 is an apocalyptic number.

7286542 is a deficient number, since it is larger than the sum of its proper divisors (3643274).

7286542 is a wasteful number, since it uses less digits than its factorization.

7286542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3643273.

The product of its digits is 26880, while the sum is 34.

The square root of 7286542 is about 2699.3595536719. The cubic root of 7286542 is about 193.8684586731.

The spelling of 7286542 in words is "seven million, two hundred eighty-six thousand, five hundred forty-two".