47773572 has 96 divisors (see below), whose sum is σ = 140313600. Its totient is φ = 12289920.

The previous prime is 47773571. The next prime is 47773589. The reversal of 47773572 is 27537774.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (47773571) 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, 137503 + ... + 137849.

It is an arithmetic number, because the mean of its divisors is an integer number (1461600).

Almost surely, 2^47773572 is an apocalyptic number.

47773572 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47773572, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70156800).

47773572 is an abundant number, since it is smaller than the sum of its proper divisors (92540028).

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

47773572 is a wasteful number, since it uses less digits than its factorization.

47773572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 521 (or 519 counting only the distinct ones).

The product of its digits is 288120, while the sum is 42.

The square root of 47773572 is about 6911.8428801587. The cubic root of 47773572 is about 362.8517634990.

The spelling of 47773572 in words is "forty-seven million, seven hundred seventy-three thousand, five hundred seventy-two".