47455730 has 64 divisors (see below), whose sum is σ = 106168320. Its totient is φ = 14904000.

The previous prime is 47455717. The next prime is 47455747. The reversal of 47455730 is 3755474.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 40655 + ... + 41805.

It is an arithmetic number, because the mean of its divisors is an integer number (1658880).

Almost surely, 2^47455730 is an apocalyptic number.

47455730 is an abundant number, since it is smaller than the sum of its proper divisors (58712590).

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

47455730 is a wasteful number, since it uses less digits than its factorization.

47455730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1215.

The product of its (nonzero) digits is 58800, while the sum is 35.

The square root of 47455730 is about 6888.8119440147. The cubic root of 47455730 is about 362.0452768373.

The spelling of 47455730 in words is "forty-seven million, four hundred fifty-five thousand, seven hundred thirty".