47252730 has 64 divisors (see below), whose sum is σ = 131217408. Its totient is φ = 10666560.

The previous prime is 47252729. The next prime is 47252747. The reversal of 47252730 is 3725274.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16075 + ... + 18785.

It is an arithmetic number, because the mean of its divisors is an integer number (2050272).

Almost surely, 2^47252730 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47252730, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65608704).

47252730 is an abundant number, since it is smaller than the sum of its proper divisors (83964678).

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

47252730 is a wasteful number, since it uses less digits than its factorization.

47252730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2811.

The product of its (nonzero) digits is 11760, while the sum is 30.

The square root of 47252730 is about 6874.0621178456. The cubic root of 47252730 is about 361.5283021254.

The spelling of 47252730 in words is "forty-seven million, two hundred fifty-two thousand, seven hundred thirty".