61584842 has 16 divisors (see below), whose sum is σ = 101110464. Its totient is φ = 27900000.

The previous prime is 61584841. The next prime is 61584857. The reversal of 61584842 is 24848516.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 61584796 and 61584805.

It is not an unprimeable number, because it can be changed into a prime (61584841) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2342 + ... + 11342.

It is an arithmetic number, because the mean of its divisors is an integer number (6319404).

Almost surely, 2^61584842 is an apocalyptic number.

61584842 is a deficient number, since it is larger than the sum of its proper divisors (39525622).

61584842 is a wasteful number, since it uses less digits than its factorization.

61584842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9325.

The product of its digits is 61440, while the sum is 38.

The square root of 61584842 is about 7847.6010347112. The cubic root of 61584842 is about 394.9037676163.

It can be divided in two parts, 61584 and 842, that added together give a palindrome (62426).

The spelling of 61584842 in words is "sixty-one million, five hundred eighty-four thousand, eight hundred forty-two".