47972250 has 160 divisors (see below), whose sum is σ = 141343488. Its totient is φ = 12117600.

The previous prime is 47972237. The next prime is 47972263. The reversal of 47972250 is 5227974.

It is an interprime number because it is at equal distance from previous prime (47972237) and next prime (47972263).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 465699 + ... + 465801.

Almost surely, 2^47972250 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47972250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70671744).

47972250 is an abundant number, since it is smaller than the sum of its proper divisors (93371238).

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

47972250 is a wasteful number, since it uses less digits than its factorization.

47972250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155 (or 136 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 36.

The square root of 47972250 is about 6926.2002569952. The cubic root of 47972250 is about 363.3540702096.

The spelling of 47972250 in words is "forty-seven million, nine hundred seventy-two thousand, two hundred fifty".