42546804 has 12 divisors (see below), whose sum is σ = 99275904. Its totient is φ = 14182264.

The previous prime is 42546773. The next prime is 42546827. The reversal of 42546804 is 40864524.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×42546804² = 3620461061228832, which contains 22 as substring.

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, 1772772 + ... + 1772795.

It is an arithmetic number, because the mean of its divisors is an integer number (8272992).

Almost surely, 2^42546804 is an apocalyptic number.

It is an amenable number.

42546804 is an abundant number, since it is smaller than the sum of its proper divisors (56729100).

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

42546804 is a wasteful number, since it uses less digits than its factorization.

42546804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3545574 (or 3545572 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 33.

The square root of 42546804 is about 6522.7911203717. The cubic root of 42546804 is about 349.1046612372.

Adding to 42546804 its product of nonzero digits (30720), we get a palindrome (42577524).

The spelling of 42546804 in words is "forty-two million, five hundred forty-six thousand, eight hundred four".