30474780 has 48 divisors (see below), whose sum is σ = 97520640. Its totient is φ = 6965568.

The previous prime is 30474751. The next prime is 30474809. The reversal of 30474780 is 8747403.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (30474751) and next prime (30474809).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35860 + ... + 36699.

It is an arithmetic number, because the mean of its divisors is an integer number (2031680).

Almost surely, 2^30474780 is an apocalyptic number.

30474780 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30474780 is an abundant number, since it is smaller than the sum of its proper divisors (67045860).

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

30474780 is a wasteful number, since it uses less digits than its factorization.

30474780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72578 (or 72576 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 33.

The square root of 30474780 is about 5520.3967248740. The cubic root of 30474780 is about 312.3538473901.

The spelling of 30474780 in words is "thirty million, four hundred seventy-four thousand, seven hundred eighty".