61442078 has 8 divisors (see below), whose sum is σ = 93273768. Its totient is φ = 30350824.

The previous prime is 61442053. The next prime is 61442081. The reversal of 61442078 is 87024416.

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

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, 184901 + ... + 185232.

It is an arithmetic number, because the mean of its divisors is an integer number (11659221).

Almost surely, 2^61442078 is an apocalyptic number.

61442078 is a deficient number, since it is larger than the sum of its proper divisors (31831690).

61442078 is a wasteful number, since it uses less digits than its factorization.

61442078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 370218.

The product of its (nonzero) digits is 10752, while the sum is 32.

The square root of 61442078 is about 7838.4997289022. The cubic root of 61442078 is about 394.5983804440.

The spelling of 61442078 in words is "sixty-one million, four hundred forty-two thousand, seventy-eight".