30273620472 has 24 divisors (see below), whose sum is σ = 81991055640. Its totient is φ = 10091206800.

The previous prime is 30273620437. The next prime is 30273620473. The reversal of 30273620472 is 27402637203.

30273620472 is a `hidden beast` number, since 3 + 0 + 27 + 3 + 620 + 4 + 7 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30273620473) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 210233404 + ... + 210233547.

It is an arithmetic number, because the mean of its divisors is an integer number (3416293985).

Almost surely, 2^30273620472 is an apocalyptic number.

It is an amenable number.

30273620472 is an abundant number, since it is smaller than the sum of its proper divisors (51717435168).

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

30273620472 is a wasteful number, since it uses less digits than its factorization.

30273620472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 420466963 (or 420466956 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 36.

The spelling of 30273620472 in words is "thirty billion, two hundred seventy-three million, six hundred twenty thousand, four hundred seventy-two".