47304642 has 128 divisors (see below), whose sum is σ = 131880960. Its totient is φ = 10920960.

The previous prime is 47304637. The next prime is 47304643. The reversal of 47304642 is 24640374.

It is not an unprimeable number, because it can be changed into a prime (47304643) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 149068 + ... + 149384.

It is an arithmetic number, because the mean of its divisors is an integer number (1030320).

Almost surely, 2^47304642 is an apocalyptic number.

47304642 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 47304642, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65940480).

47304642 is an abundant number, since it is smaller than the sum of its proper divisors (84576318).

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

47304642 is a wasteful number, since it uses less digits than its factorization.

47304642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 376.

The product of its (nonzero) digits is 16128, while the sum is 30.

The square root of 47304642 is about 6877.8370146435. The cubic root of 47304642 is about 361.6606457217.

The spelling of 47304642 in words is "forty-seven million, three hundred four thousand, six hundred forty-two".