30472445740 has 24 divisors (see below), whose sum is σ = 69809603472. Its totient is φ = 11080889280.

The previous prime is 30472445737. The next prime is 30472445743. The reversal of 30472445740 is 4754427403.

It is an interprime number because it is at equal distance from previous prime (30472445737) and next prime (30472445743).

It is a junction number, because it is equal to n+sod(n) for n = 30472445693 and 30472445702.

It is not an unprimeable number, because it can be changed into a prime (30472445743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69255339 + ... + 69255778.

It is an arithmetic number, because the mean of its divisors is an integer number (2908733478).

Almost surely, 2^30472445740 is an apocalyptic number.

It is an amenable number.

30472445740 is an abundant number, since it is smaller than the sum of its proper divisors (39337157732).

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

30472445740 is a wasteful number, since it uses less digits than its factorization.

30472445740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138511137 (or 138511135 counting only the distinct ones).

The product of its (nonzero) digits is 376320, while the sum is 40.

It can be divided in two parts, 304724 and 45740, that added together give a square (350464 = 592²).

The spelling of 30472445740 in words is "thirty billion, four hundred seventy-two million, four hundred forty-five thousand, seven hundred forty".