67496440472 has 8 divisors (see below), whose sum is σ = 126555825900. Its totient is φ = 33748220232.

The previous prime is 67496440411. The next prime is 67496440493. The reversal of 67496440472 is 27404469476.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4218527522 + ... + 4218527537.

Almost surely, 2^67496440472 is an apocalyptic number.

It is an amenable number.

67496440472 is a deficient number, since it is larger than the sum of its proper divisors (59059385428).

67496440472 is a wasteful number, since it uses less digits than its factorization.

67496440472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8437055065 (or 8437055061 counting only the distinct ones).

The product of its (nonzero) digits is 8128512, while the sum is 53.

The spelling of 67496440472 in words is "sixty-seven billion, four hundred ninety-six million, four hundred forty thousand, four hundred seventy-two".