61242008 has 16 divisors (see below), whose sum is σ = 119821680. Its totient is φ = 29289568.

The previous prime is 61242001. The next prime is 61242047. The reversal of 61242008 is 80024216.

It is a Harshad number since it is a multiple of its sum of digits (23).

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 3 ways as a sum of consecutive naturals, for example, 166235 + ... + 166602.

It is an arithmetic number, because the mean of its divisors is an integer number (7488855).

Almost surely, 2^61242008 is an apocalyptic number.

It is an amenable number.

61242008 is a deficient number, since it is larger than the sum of its proper divisors (58579672).

61242008 is a wasteful number, since it uses less digits than its factorization.

61242008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 332866 (or 332862 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 61242008 is about 7825.7273144418. The cubic root of 61242008 is about 394.1696126989.

The spelling of 61242008 in words is "sixty-one million, two hundred forty-two thousand, eight".