47477436 has 12 divisors (see below), whose sum is σ = 110780712. Its totient is φ = 15825808.

The previous prime is 47477431. The next prime is 47477449. The reversal of 47477436 is 63477474.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47477431) 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, 1978215 + ... + 1978238.

It is an arithmetic number, because the mean of its divisors is an integer number (9231726).

Almost surely, 2^47477436 is an apocalyptic number.

It is an amenable number.

47477436 is an abundant number, since it is smaller than the sum of its proper divisors (63303276).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

47477436 is a wasteful number, since it uses less digits than its factorization.

47477436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3956460 (or 3956458 counting only the distinct ones).

The product of its digits is 395136, while the sum is 42.

The square root of 47477436 is about 6890.3872169857. The cubic root of 47477436 is about 362.1004676220.

The spelling of 47477436 in words is "forty-seven million, four hundred seventy-seven thousand, four hundred thirty-six".