47722480 has 40 divisors (see below), whose sum is σ = 119492352. Its totient is φ = 17620224.

The previous prime is 47722469. The next prime is 47722481. The reversal of 47722480 is 8422774.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47722481) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21904 + ... + 23983.

Almost surely, 2^47722480 is an apocalyptic number.

47722480 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

47722480 is an abundant number, since it is smaller than the sum of its proper divisors (71769872).

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

47722480 is a wasteful number, since it uses less digits than its factorization.

47722480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45913 (or 45907 counting only the distinct ones).

The product of its (nonzero) digits is 25088, while the sum is 34.

The square root of 47722480 is about 6908.1459162354. The cubic root of 47722480 is about 362.7223653520.

The spelling of 47722480 in words is "forty-seven million, seven hundred twenty-two thousand, four hundred eighty".