47408742 has 24 divisors (see below), whose sum is σ = 104462280. Its totient is φ = 15534720.

The previous prime is 47408717. The next prime is 47408749. The reversal of 47408742 is 24780474.

It is a junction number, because it is equal to n+sod(n) for n = 47408697 and 47408706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47408749) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21259 + ... + 23382.

It is an arithmetic number, because the mean of its divisors is an integer number (4352595).

Almost surely, 2^47408742 is an apocalyptic number.

47408742 is an abundant number, since it is smaller than the sum of its proper divisors (57053538).

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

47408742 is a wasteful number, since it uses less digits than its factorization.

47408742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44708 (or 44705 counting only the distinct ones).

The product of its (nonzero) digits is 50176, while the sum is 36.

The square root of 47408742 is about 6885.4006419380. The cubic root of 47408742 is about 361.9257450740.

The spelling of 47408742 in words is "forty-seven million, four hundred eight thousand, seven hundred forty-two".