61242006 has 32 divisors (see below), whose sum is σ = 140329728. Its totient is φ = 17454240.

The previous prime is 61242001. The next prime is 61242047. The reversal of 61242006 is 60024216.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61242001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17781 + ... + 20943.

It is an arithmetic number, because the mean of its divisors is an integer number (4385304).

Almost surely, 2^61242006 is an apocalyptic number.

61242006 is an abundant number, since it is smaller than the sum of its proper divisors (79087722).

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

61242006 is a wasteful number, since it uses less digits than its factorization.

61242006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3636.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 61242006 is about 7825.7271866581. The cubic root of 61242006 is about 394.1696084081.

The spelling of 61242006 in words is "sixty-one million, two hundred forty-two thousand, six".