47280453 has 8 divisors (see below), whose sum is σ = 68771616. Its totient is φ = 28654800.

The previous prime is 47280439. The next prime is 47280461. The reversal of 47280453 is 35408274.

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

It is not a de Polignac number, because 47280453 - 2⁴ = 47280437 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 1432741 = 47280453 / (4 + 7 + 2 + 8 + 0 + 4 + 5 + 3).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47280403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 716338 + ... + 716403.

It is an arithmetic number, because the mean of its divisors is an integer number (8596452).

Almost surely, 2^47280453 is an apocalyptic number.

It is an amenable number.

47280453 is a deficient number, since it is larger than the sum of its proper divisors (21491163).

47280453 is a wasteful number, since it uses less digits than its factorization.

47280453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1432755.

The product of its (nonzero) digits is 26880, while the sum is 33.

The square root of 47280453 is about 6876.0783154353. The cubic root of 47280453 is about 361.5989907373.

The spelling of 47280453 in words is "forty-seven million, two hundred eighty thousand, four hundred fifty-three".