67528988 has 12 divisors (see below), whose sum is σ = 119260680. Its totient is φ = 33454512.

The previous prime is 67528987. The next prime is 67528991. The reversal of 67528988 is 88982576.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67528987) 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, 77006 + ... + 77877.

It is an arithmetic number, because the mean of its divisors is an integer number (9938390).

Almost surely, 2^67528988 is an apocalyptic number.

It is an amenable number.

67528988 is a deficient number, since it is larger than the sum of its proper divisors (51731692).

67528988 is a wasteful number, since it uses less digits than its factorization.

67528988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154996 (or 154994 counting only the distinct ones).

The product of its digits is 1935360, while the sum is 53.

The square root of 67528988 is about 8217.6023267131. The cubic root of 67528988 is about 407.2209197312.

The spelling of 67528988 in words is "sixty-seven million, five hundred twenty-eight thousand, nine hundred eighty-eight".