30077982 has 24 divisors (see below), whose sum is σ = 71093880. Its totient is φ = 9114480.

The previous prime is 30077963. The next prime is 30077989. The reversal of 30077982 is 28977003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30077989) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 75757 + ... + 76152.

It is an arithmetic number, because the mean of its divisors is an integer number (2962245).

Almost surely, 2^30077982 is an apocalyptic number.

30077982 is an abundant number, since it is smaller than the sum of its proper divisors (41015898).

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

30077982 is a wasteful number, since it uses less digits than its factorization.

30077982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151928 (or 151925 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 36.

The square root of 30077982 is about 5484.3397050146. The cubic root of 30077982 is about 310.9922489909.

The spelling of 30077982 in words is "thirty million, seventy-seven thousand, nine hundred eighty-two".