60726138 has 32 divisors (see below), whose sum is σ = 133747200. Its totient is φ = 18227760.

The previous prime is 60726137. The next prime is 60726157. The reversal of 60726138 is 83162706.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a junction number, because it is equal to n+sod(n) for n = 60726099 and 60726108.

It is not an unprimeable number, because it can be changed into a prime (60726137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2763 + ... + 11361.

It is an arithmetic number, because the mean of its divisors is an integer number (4179600).

Almost surely, 2^60726138 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 60726138, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66873600).

60726138 is an abundant number, since it is smaller than the sum of its proper divisors (73021062).

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

60726138 is a wasteful number, since it uses less digits than its factorization.

60726138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8722.

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 60726138 is about 7792.6977357010. The cubic root of 60726138 is about 393.0597323241.

The spelling of 60726138 in words is "sixty million, seven hundred twenty-six thousand, one hundred thirty-eight".