67641150 has 48 divisors (see below), whose sum is σ = 171667584. Its totient is φ = 17616480.

The previous prime is 67641139. The next prime is 67641151. The reversal of 67641150 is 5114676.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67641151) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1207 + ... + 11693.

It is an arithmetic number, because the mean of its divisors is an integer number (3576408).

Almost surely, 2^67641150 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 67641150, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85833792).

67641150 is an abundant number, since it is smaller than the sum of its proper divisors (104026434).

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

67641150 is a wasteful number, since it uses less digits than its factorization.

67641150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10545 (or 10540 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 67641150 is about 8224.4239919887. The cubic root of 67641150 is about 407.4462523363.

The spelling of 67641150 in words is "sixty-seven million, six hundred forty-one thousand, one hundred fifty".