61366242 has 16 divisors (see below), whose sum is σ = 140265792. Its totient is φ = 17533200.

The previous prime is 61366189. The next prime is 61366247. The reversal of 61366242 is 24266316.

It is a super-3 number, since 3×61366242³ (a number of 24 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (61366247) 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, 730509 + ... + 730592.

It is an arithmetic number, because the mean of its divisors is an integer number (8766612).

Almost surely, 2^61366242 is an apocalyptic number.

61366242 is an abundant number, since it is smaller than the sum of its proper divisors (78899550).

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

61366242 is a wasteful number, since it uses less digits than its factorization.

61366242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1461113.

The product of its digits is 10368, while the sum is 30.

The square root of 61366242 is about 7833.6608300334. The cubic root of 61366242 is about 394.4359668673.

The spelling of 61366242 in words is "sixty-one million, three hundred sixty-six thousand, two hundred forty-two".