47279040 has 112 divisors (see below), whose sum is σ = 158995872. Its totient is φ = 11862016.

The previous prime is 47279033. The next prime is 47279083. The reversal of 47279040 is 4097274.

It is a junction number, because it is equal to n+sod(n) for n = 47278992 and 47279010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14872 + ... + 17768.

It is an arithmetic number, because the mean of its divisors is an integer number (1419606).

Almost surely, 2^47279040 is an apocalyptic number.

47279040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47279040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79497936).

47279040 is an abundant number, since it is smaller than the sum of its proper divisors (111716832).

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

47279040 is a wasteful number, since it uses less digits than its factorization.

47279040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2934 (or 2924 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 33.

The square root of 47279040 is about 6875.9755671468. The cubic root of 47279040 is about 361.5953885125.

The spelling of 47279040 in words is "forty-seven million, two hundred seventy-nine thousand, forty".