30719474460 has 36 divisors (see below), whose sum is σ = 93182406408. Its totient is φ = 8191859808.

The previous prime is 30719474449. The next prime is 30719474477. The reversal of 30719474460 is 6447491703.

30719474460 is a `hidden beast` number, since 30 + 7 + 1 + 94 + 74 + 460 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×30719474460² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 85331694 + ... + 85332053.

It is an arithmetic number, because the mean of its divisors is an integer number (2588400178).

Almost surely, 2^30719474460 is an apocalyptic number.

30719474460 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30719474460 is an abundant number, since it is smaller than the sum of its proper divisors (62462931948).

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

30719474460 is a wasteful number, since it uses less digits than its factorization.

30719474460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170663762 (or 170663757 counting only the distinct ones).

The product of its (nonzero) digits is 508032, while the sum is 45.

The spelling of 30719474460 in words is "thirty billion, seven hundred nineteen million, four hundred seventy-four thousand, four hundred sixty".