7564542 has 8 divisors (see below), whose sum is σ = 15129096. Its totient is φ = 2521512.

The previous prime is 7564523. The next prime is 7564573. The reversal of 7564542 is 2454657.

It is a sphenic number, since it is the product of 3 distinct primes.

7564542 is an admirable number.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 630373 + ... + 630384.

It is an arithmetic number, because the mean of its divisors is an integer number (1891137).

Almost surely, 2^7564542 is an apocalyptic number.

7564542 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7564542 is a wasteful number, since it uses less digits than its factorization.

7564542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1260762.

The product of its digits is 33600, while the sum is 33.

The square root of 7564542 is about 2750.3712476682. The cubic root of 7564542 is about 196.3032754600.

The spelling of 7564542 in words is "seven million, five hundred sixty-four thousand, five hundred forty-two".