61842538 has 8 divisors (see below), whose sum is σ = 96797088. Its totient is φ = 29576844.

The previous prime is 61842497. The next prime is 61842559. The reversal of 61842538 is 83524816.

It is a happy number.

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

It is a plaindrome in base 15.

It is a junction number, because it is equal to n+sod(n) for n = 61842497 and 61842506.

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, 672156 + ... + 672247.

It is an arithmetic number, because the mean of its divisors is an integer number (12099636).

Almost surely, 2^61842538 is an apocalyptic number.

61842538 is a deficient number, since it is larger than the sum of its proper divisors (34954550).

61842538 is a wasteful number, since it uses less digits than its factorization.

61842538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1344428.

The product of its digits is 46080, while the sum is 37.

The square root of 61842538 is about 7864.0026703963. The cubic root of 61842538 is about 395.4538137253.

The spelling of 61842538 in words is "sixty-one million, eight hundred forty-two thousand, five hundred thirty-eight".