67577225 has 12 divisors (see below), whose sum is σ = 85840860. Its totient is φ = 52742400.

The previous prime is 67577183. The next prime is 67577231. The reversal of 67577225 is 52277576.

It can be written as a sum of positive squares in 6 ways, for example, as 16540489 + 51036736 = 4067^2 + 7144^2 .

It is not a de Polignac number, because 67577225 - 2⁸ = 67576969 is a prime.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31940 + ... + 33989.

It is an arithmetic number, because the mean of its divisors is an integer number (7153405).

Almost surely, 2^67577225 is an apocalyptic number.

It is an amenable number.

67577225 is a deficient number, since it is larger than the sum of its proper divisors (18263635).

67577225 is a wasteful number, since it uses less digits than its factorization.

67577225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65980 (or 65975 counting only the distinct ones).

The product of its digits is 205800, while the sum is 41.

The square root of 67577225 is about 8220.5367829601. The cubic root of 67577225 is about 407.3178580526.

The spelling of 67577225 in words is "sixty-seven million, five hundred seventy-seven thousand, two hundred twenty-five".