47351493 has 32 divisors (see below), whose sum is σ = 81824000. Its totient is φ = 27052704.

The previous prime is 47351489. The next prime is 47351501. The reversal of 47351493 is 39415374.

It is not a de Polignac number, because 47351493 - 2² = 47351489 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47351093) 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, 6705 + ... + 11817.

It is an arithmetic number, because the mean of its divisors is an integer number (2557000).

Almost surely, 2^47351493 is an apocalyptic number.

It is an amenable number.

47351493 is a deficient number, since it is larger than the sum of its proper divisors (34472507).

47351493 is an equidigital number, since it uses as much as digits as its factorization.

47351493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5143 (or 5123 counting only the distinct ones).

The product of its digits is 45360, while the sum is 36.

The square root of 47351493 is about 6881.2421117121. The cubic root of 47351493 is about 361.7800037902.

The spelling of 47351493 in words is "forty-seven million, three hundred fifty-one thousand, four hundred ninety-three".