72707067 has 12 divisors (see below), whose sum is σ = 105202240. Its totient is φ = 48387888.

The previous prime is 72707039. The next prime is 72707069. The reversal of 72707067 is 76070727.

It is a happy number.

It is not a de Polignac number, because 72707067 - 2¹¹ = 72705019 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72707069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1192 + ... + 12117.

Almost surely, 2^72707067 is an apocalyptic number.

72707067 is a deficient number, since it is larger than the sum of its proper divisors (32495173).

72707067 is a wasteful number, since it uses less digits than its factorization.

72707067 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13922 (or 13919 counting only the distinct ones).

The product of its (nonzero) digits is 28812, while the sum is 36.

The square root of 72707067 is about 8526.8439061589. The cubic root of 72707067 is about 417.3741444782.

The spelling of 72707067 in words is "seventy-two million, seven hundred seven thousand, sixty-seven".