47401490 has 8 divisors (see below), whose sum is σ = 85322700. Its totient is φ = 18960592.

The previous prime is 47401483. The next prime is 47401493. The reversal of 47401490 is 9410474.

It can be written as a sum of positive squares in 2 ways, for example, as 46144849 + 1256641 = 6793^2 + 1121^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (47401493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2370065 + ... + 2370084.

Almost surely, 2^47401490 is an apocalyptic number.

47401490 is a deficient number, since it is larger than the sum of its proper divisors (37921210).

47401490 is a wasteful number, since it uses less digits than its factorization.

47401490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4740156.

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 47401490 is about 6884.8740002995. The cubic root of 47401490 is about 361.9072898325.

The spelling of 47401490 in words is "forty-seven million, four hundred one thousand, four hundred ninety".