67706632 has 24 divisors (see below), whose sum is σ = 147677310. Its totient is φ = 29016960.

The previous prime is 67706627. The next prime is 67706647. The reversal of 67706632 is 23660776.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 65707236 + 1999396 = 8106^2 + 1414^2 .

It is a junction number, because it is equal to n+sod(n) for n = 67706591 and 67706600.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 85969 + ... + 86752.

Almost surely, 2^67706632 is an apocalyptic number.

It is an amenable number.

67706632 is an abundant number, since it is smaller than the sum of its proper divisors (79970678).

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

67706632 is a wasteful number, since it uses less digits than its factorization.

67706632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172741 (or 172730 counting only the distinct ones).

The product of its (nonzero) digits is 63504, while the sum is 37.

The square root of 67706632 is about 8228.4039764708. The cubic root of 67706632 is about 407.5776900314.

The spelling of 67706632 in words is "sixty-seven million, seven hundred six thousand, six hundred thirty-two".