47307542 has 8 divisors (see below), whose sum is σ = 71372016. Its totient is φ = 23516872.

The previous prime is 47307539. The next prime is 47307599. The reversal of 47307542 is 24570374.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×47307542³ (a number of 24 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 47307499 and 47307508.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68018 + ... + 68709.

It is an arithmetic number, because the mean of its divisors is an integer number (8921502).

Almost surely, 2^47307542 is an apocalyptic number.

47307542 is a deficient number, since it is larger than the sum of its proper divisors (24064474).

47307542 is a wasteful number, since it uses less digits than its factorization.

47307542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136902.

The product of its (nonzero) digits is 23520, while the sum is 32.

The square root of 47307542 is about 6878.0478335062. The cubic root of 47307542 is about 361.6680360778.

The spelling of 47307542 in words is "forty-seven million, three hundred seven thousand, five hundred forty-two".