67725240 has 64 divisors (see below), whose sum is σ = 221650560. Its totient is φ = 16417920.

The previous prime is 67725233. The next prime is 67725241. The reversal of 67725240 is 4252776.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67725241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24334 + ... + 26973.

It is an arithmetic number, because the mean of its divisors is an integer number (3463290).

Almost surely, 2^67725240 is an apocalyptic number.

67725240 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

67725240 is an abundant number, since it is smaller than the sum of its proper divisors (153925320).

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

67725240 is a wasteful number, since it uses less digits than its factorization.

67725240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51332 (or 51328 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 33.

The square root of 67725240 is about 8229.5346162465. The cubic root of 67725240 is about 407.6150251774.

The spelling of 67725240 in words is "sixty-seven million, seven hundred twenty-five thousand, two hundred forty".