30620450 has 48 divisors (see below), whose sum is σ = 65888640. Its totient is φ = 10369920.

The previous prime is 30620437. The next prime is 30620483. The reversal of 30620450 is 5402603.

It is a super-2 number, since 2×30620450² = 1875223916405000, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 30659 + ... + 31641.

It is an arithmetic number, because the mean of its divisors is an integer number (1372680).

Almost surely, 2^30620450 is an apocalyptic number.

30620450 is an abundant number, since it is smaller than the sum of its proper divisors (35268190).

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

30620450 is a wasteful number, since it uses less digits than its factorization.

30620450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1091 (or 1086 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 30620450 is about 5533.5747939284. The cubic root of 30620450 is about 312.8507421885.

The spelling of 30620450 in words is "thirty million, six hundred twenty thousand, four hundred fifty".