47409726 has 64 divisors (see below), whose sum is σ = 120508416. Its totient is φ = 12096000.

The previous prime is 47409721. The next prime is 47409727. The reversal of 47409726 is 62790474.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47409721) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15526 + ... + 18326.

It is an arithmetic number, because the mean of its divisors is an integer number (1882944).

Almost surely, 2^47409726 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47409726, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60254208).

47409726 is an abundant number, since it is smaller than the sum of its proper divisors (73098690).

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

47409726 is a wasteful number, since it uses less digits than its factorization.

47409726 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2857.

The product of its (nonzero) digits is 84672, while the sum is 39.

The square root of 47409726 is about 6885.4720971042. The cubic root of 47409726 is about 361.9282490599.

The spelling of 47409726 in words is "forty-seven million, four hundred nine thousand, seven hundred twenty-six".