30475546976 has 144 divisors (see below), whose sum is σ = 70412636448. Its totient is φ = 12718110720.

The previous prime is 30475546973. The next prime is 30475546979. The reversal of 30475546976 is 67964557403.

It is an interprime number because it is at equal distance from previous prime (30475546973) and next prime (30475546979).

It is a super-3 number, since 3×30475546976³ (a number of 32 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (56).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30475546973) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 154698110 + ... + 154698306.

It is an arithmetic number, because the mean of its divisors is an integer number (488976642).

Almost surely, 2^30475546976 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30475546976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35206318224).

30475546976 is an abundant number, since it is smaller than the sum of its proper divisors (39937089472).

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

30475546976 is a wasteful number, since it uses less digits than its factorization.

30475546976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 493 (or 414 counting only the distinct ones).

The product of its (nonzero) digits is 19051200, while the sum is 56.

The spelling of 30475546976 in words is "thirty billion, four hundred seventy-five million, five hundred forty-six thousand, nine hundred seventy-six".