61613842 has 8 divisors (see below), whose sum is σ = 92477232. Its totient is φ = 30788100.

The previous prime is 61613809. The next prime is 61613861. The reversal of 61613842 is 24831616.

It is a happy number.

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

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, 4884 + ... + 12127.

It is an arithmetic number, because the mean of its divisors is an integer number (11559654).

Almost surely, 2^61613842 is an apocalyptic number.

61613842 is a deficient number, since it is larger than the sum of its proper divisors (30863390).

61613842 is a wasteful number, since it uses less digits than its factorization.

61613842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18824.

The product of its digits is 6912, while the sum is 31.

The square root of 61613842 is about 7849.4485156602. The cubic root of 61613842 is about 394.9657439715.

The spelling of 61613842 in words is "sixty-one million, six hundred thirteen thousand, eight hundred forty-two".