30467752272 has 30 divisors (see below), whose sum is σ = 85267390442. Its totient is φ = 10155917376.

The previous prime is 30467752243. The next prime is 30467752313. The reversal of 30467752272 is 27225776403.

30467752272 is a `hidden beast` number, since 30 + 467 + 75 + 22 + 72 = 666.

It can be written as a sum of positive squares in only one way, i.e., 21247143696 + 9220608576 = 145764^2 + 96024^2 .

It is a super-2 number, since 2×30467752272² (a number of 22 digits) contains 22 as substring.

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, 105790663 + ... + 105790950.

Almost surely, 2^30467752272 is an apocalyptic number.

It is an amenable number.

30467752272 is an abundant number, since it is smaller than the sum of its proper divisors (54799638170).

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

30467752272 is a wasteful number, since it uses less digits than its factorization.

30467752272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211581627 (or 211581618 counting only the distinct ones).

The product of its (nonzero) digits is 987840, while the sum is 45.

The spelling of 30467752272 in words is "thirty billion, four hundred sixty-seven million, seven hundred fifty-two thousand, two hundred seventy-two".