47491250 has 20 divisors (see below), whose sum is σ = 89019942. Its totient is φ = 18996000.

The previous prime is 47491237. The next prime is 47491253. The reversal of 47491250 is 5219474.

It is a happy number.

It can be written as a sum of positive squares in 5 ways, for example, as 2157961 + 45333289 = 1469^2 + 6733^2 .

It is not an unprimeable number, because it can be changed into a prime (47491253) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 17747 + ... + 20246.

Almost surely, 2^47491250 is an apocalyptic number.

47491250 is a deficient number, since it is larger than the sum of its proper divisors (41528692).

47491250 is an equidigital number, since it uses as much as digits as its factorization.

47491250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38015 (or 38000 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 47491250 is about 6891.3895550897. The cubic root of 47491250 is about 362.1355830455.

The spelling of 47491250 in words is "forty-seven million, four hundred ninety-one thousand, two hundred fifty".