2947454730 has 480 divisors, whose sum is σ = 9698285520. Its totient is φ = 638668800.

The previous prime is 2947454717. The next prime is 2947454767. The reversal of 2947454730 is 374547492.

2947454730 is a `hidden beast` number, since 2 + 9 + 4 + 74 + 547 + 30 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 864536409 + 2082918321 = 29403^2 + 45639^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 239 ways as a sum of consecutive naturals, for example, 48318900 + ... + 48318960.

Almost surely, 2^2947454730 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2947454730, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4849142760).

2947454730 is an abundant number, since it is smaller than the sum of its proper divisors (6750830790).

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

2947454730 is a wasteful number, since it uses less digits than its factorization.

2947454730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148 (or 128 counting only the distinct ones).

The product of its (nonzero) digits is 846720, while the sum is 45.

The square root of 2947454730 is about 54290.4662901324. The cubic root of 2947454730 is about 1433.7795480513.

The spelling of 2947454730 in words is "two billion, nine hundred forty-seven million, four hundred fifty-four thousand, seven hundred thirty".