30104780 has 24 divisors (see below), whose sum is σ = 63328608. Its totient is φ = 12021248.

The previous prime is 30104761. The next prime is 30104827. The reversal of 30104780 is 8740103.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16892 + ... + 18588.

It is an arithmetic number, because the mean of its divisors is an integer number (2638692).

Almost surely, 2^30104780 is an apocalyptic number.

It is an amenable number.

30104780 is an abundant number, since it is smaller than the sum of its proper divisors (33223828).

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

30104780 is a wasteful number, since it uses less digits than its factorization.

30104780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2593 (or 2591 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 30104780 is about 5486.7822993080. The cubic root of 30104780 is about 311.0845811655.

Adding to 30104780 its reverse (8740103), we get a palindrome (38844883).

The spelling of 30104780 in words is "thirty million, one hundred four thousand, seven hundred eighty".