67290435216 has 45 divisors (see below), whose sum is σ = 188328471721. Its totient is φ = 22429107456.

The previous prime is 67290435109. The next prime is 67290435253. The reversal of 67290435216 is 61253409276.

The square root of 67290435216 is 259404.

It is a perfect power (a square), and thus also a powerful number.

67290435216 is a `hidden beast` number, since 6 + 7 + 290 + 4 + 352 + 1 + 6 = 666.

67290435216 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 12016544400 + 55273890816 = 109620^2 + 235104^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 3102040 + ... + 3123656.

Almost surely, 2^67290435216 is an apocalyptic number.

67290435216 is the 259404-th square number.

It is an amenable number.

67290435216 is an abundant number, since it is smaller than the sum of its proper divisors (121038036505).

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

67290435216 is an frugal number, since it uses more digits than its factorization.

67290435216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43248 (or 21622 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 45.

The spelling of 67290435216 in words is "sixty-seven billion, two hundred ninety million, four hundred thirty-five thousand, two hundred sixteen".