67528130 has 8 divisors (see below), whose sum is σ = 121550652. Its totient is φ = 27011248.

The previous prime is 67528117. The next prime is 67528133. The reversal of 67528130 is 3182576.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 54037201 + 13490929 = 7351^2 + 3673^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (67528133) 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, 3376397 + ... + 3376416.

Almost surely, 2^67528130 is an apocalyptic number.

67528130 is a deficient number, since it is larger than the sum of its proper divisors (54022522).

67528130 is a wasteful number, since it uses less digits than its factorization.

67528130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6752820.

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 67528130 is about 8217.5501215387. The cubic root of 67528130 is about 407.2191950545.

The spelling of 67528130 in words is "sixty-seven million, five hundred twenty-eight thousand, one hundred thirty".