30051072 has 54 divisors (see below), whose sum is σ = 86651292. Its totient is φ = 10016256.

The previous prime is 30051037. The next prime is 30051079. The reversal of 30051072 is 27015003.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (30051079) 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, 4218 + ... + 8825.

Almost surely, 2^30051072 is an apocalyptic number.

30051072 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

30051072 is an abundant number, since it is smaller than the sum of its proper divisors (56600220).

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

30051072 is a wasteful number, since it uses less digits than its factorization.

30051072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13065 (or 13048 counting only the distinct ones).

The product of its (nonzero) digits is 210, while the sum is 18.

The square root of 30051072 is about 5481.8858069099. The cubic root of 30051072 is about 310.8994757186.

Adding to 30051072 its reverse (27015003), we get a palindrome (57066075).

The spelling of 30051072 in words is "thirty million, fifty-one thousand, seventy-two".