30355727072 has 48 divisors (see below), whose sum is σ = 66957900912. Its totient is φ = 13425131520.

The previous prime is 30355727057. The next prime is 30355727099. The reversal of 30355727072 is 27072755303.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1152353 + ... + 1178400.

It is an arithmetic number, because the mean of its divisors is an integer number (1394956269).

Almost surely, 2^30355727072 is an apocalyptic number.

30355727072 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

30355727072 is an abundant number, since it is smaller than the sum of its proper divisors (36602173840).

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

30355727072 is a wasteful number, since it uses less digits than its factorization.

30355727072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2330811 (or 2330803 counting only the distinct ones).

The product of its (nonzero) digits is 308700, while the sum is 41.

The spelling of 30355727072 in words is "thirty billion, three hundred fifty-five million, seven hundred twenty-seven thousand, seventy-two".