67920500 has 24 divisors (see below), whose sum is σ = 148339464. Its totient is φ = 27168000.

The previous prime is 67920481. The next prime is 67920527. The reversal of 67920500 is 502976.

It can be written as a sum of positive squares in 4 ways, for example, as 88804 + 67831696 = 298^2 + 8236^2 .

It is a super-2 number, since 2×67920500² = 9226388640500000, which contains 22 as substring.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67421 + ... + 68420.

It is an arithmetic number, because the mean of its divisors is an integer number (6180811).

Almost surely, 2^67920500 is an apocalyptic number.

It is an amenable number.

67920500 is an abundant number, since it is smaller than the sum of its proper divisors (80418964).

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

67920500 is a wasteful number, since it uses less digits than its factorization.

67920500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135860 (or 135848 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 29.

The square root of 67920500 is about 8241.3894459612. The cubic root of 67920500 is about 408.0063836628.

The spelling of 67920500 in words is "sixty-seven million, nine hundred twenty thousand, five hundred".