47393420 has 24 divisors (see below), whose sum is σ = 102738048. Its totient is φ = 18345600.

The previous prime is 47393407. The next prime is 47393441. The reversal of 47393420 is 2439374.

It is a super-2 number, since 2×47393420² = 4492272518592800, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37601 + ... + 38840.

It is an arithmetic number, because the mean of its divisors is an integer number (4280752).

Almost surely, 2^47393420 is an apocalyptic number.

It is an amenable number.

47393420 is an abundant number, since it is smaller than the sum of its proper divisors (55344628).

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

47393420 is a wasteful number, since it uses less digits than its factorization.

47393420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76481 (or 76479 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 32.

The square root of 47393420 is about 6884.2879079829. The cubic root of 47393420 is about 361.8867506920.

The spelling of 47393420 in words is "forty-seven million, three hundred ninety-three thousand, four hundred twenty".