30626620 has 12 divisors (see below), whose sum is σ = 64315944. Its totient is φ = 12250640.

The previous prime is 30626599. The next prime is 30626647. The reversal of 30626620 is 2662603.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 765646 + ... + 765685.

It is an arithmetic number, because the mean of its divisors is an integer number (5359662).

Almost surely, 2^30626620 is an apocalyptic number.

It is an amenable number.

30626620 is an abundant number, since it is smaller than the sum of its proper divisors (33689324).

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

30626620 is a wasteful number, since it uses less digits than its factorization.

30626620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1531340 (or 1531338 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 25.

The square root of 30626620 is about 5534.1322716393. The cubic root of 30626620 is about 312.8717538483.

The spelling of 30626620 in words is "thirty million, six hundred twenty-six thousand, six hundred twenty".