61007238 has 24 divisors (see below), whose sum is σ = 132514200. Its totient is φ = 20284704.

The previous prime is 61007207. The next prime is 61007257. The reversal of 61007238 is 83270016.

61007238 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3498 + ... + 11586.

It is an arithmetic number, because the mean of its divisors is an integer number (5521425).

Almost surely, 2^61007238 is an apocalyptic number.

61007238 is an abundant number, since it is smaller than the sum of its proper divisors (71506962).

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

61007238 is a wasteful number, since it uses less digits than its factorization.

61007238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8516 (or 8513 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 61007238 is about 7810.7130276307. The cubic root of 61007238 is about 393.6652872937.

The spelling of 61007238 in words is "sixty-one million, seven thousand, two hundred thirty-eight".