47408073 has 4 divisors (see below), whose sum is σ = 63210768. Its totient is φ = 31605380.

The previous prime is 47408057. The next prime is 47408077. The reversal of 47408073 is 37080474.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 47408073 - 2⁴ = 47408057 is a prime.

It is not an unprimeable number, because it can be changed into a prime (47408077) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7901343 + ... + 7901348.

It is an arithmetic number, because the mean of its divisors is an integer number (15802692).

Almost surely, 2^47408073 is an apocalyptic number.

It is an amenable number.

47408073 is a deficient number, since it is larger than the sum of its proper divisors (15802695).

47408073 is a wasteful number, since it uses less digits than its factorization.

47408073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15802694.

The product of its (nonzero) digits is 18816, while the sum is 33.

The square root of 47408073 is about 6885.3520607156. The cubic root of 47408073 is about 361.9240426491.

The spelling of 47408073 in words is "forty-seven million, four hundred eight thousand, seventy-three".