47994135 has 16 divisors (see below), whose sum is σ = 87760896. Its totient is φ = 21940128.

The previous prime is 47994127. The next prime is 47994137. The reversal of 47994135 is 53149974.

It is not a de Polignac number, because 47994135 - 2³ = 47994127 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47994137) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 228439 + ... + 228648.

It is an arithmetic number, because the mean of its divisors is an integer number (5485056).

Almost surely, 2^47994135 is an apocalyptic number.

47994135 is a deficient number, since it is larger than the sum of its proper divisors (39766761).

47994135 is a wasteful number, since it uses less digits than its factorization.

47994135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 457102.

The product of its digits is 136080, while the sum is 42.

The square root of 47994135 is about 6927.7799474290. The cubic root of 47994135 is about 363.4093160020.

The spelling of 47994135 in words is "forty-seven million, nine hundred ninety-four thousand, one hundred thirty-five".