47354540 has 24 divisors (see below), whose sum is σ = 99822912. Its totient is φ = 18869760.

The previous prime is 47354473. The next prime is 47354551. The reversal of 47354540 is 4545374.

It is a super-2 number, since 2×47354540² = 4484904917223200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 47354497 and 47354506.

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, 1052 + ... + 9788.

It is an arithmetic number, because the mean of its divisors is an integer number (4159288).

Almost surely, 2^47354540 is an apocalyptic number.

It is an amenable number.

47354540 is an abundant number, since it is smaller than the sum of its proper divisors (52468372).

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

47354540 is a wasteful number, since it uses less digits than its factorization.

47354540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9017 (or 9015 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 32.

The square root of 47354540 is about 6881.4635071328. The cubic root of 47354540 is about 361.7877636302.

The spelling of 47354540 in words is "forty-seven million, three hundred fifty-four thousand, five hundred forty".