30274780 has 12 divisors (see below), whose sum is σ = 63577080. Its totient is φ = 12109904.

The previous prime is 30274759. The next prime is 30274787. The reversal of 30274780 is 8747203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30274787) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 756850 + ... + 756889.

It is an arithmetic number, because the mean of its divisors is an integer number (5298090).

Almost surely, 2^30274780 is an apocalyptic number.

It is an amenable number.

30274780 is an abundant number, since it is smaller than the sum of its proper divisors (33302300).

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

30274780 is a wasteful number, since it uses less digits than its factorization.

30274780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1513748 (or 1513746 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 31.

The square root of 30274780 is about 5502.2522661179. The cubic root of 30274780 is about 311.6690414504.

The spelling of 30274780 in words is "thirty million, two hundred seventy-four thousand, seven hundred eighty".