47440075 has 24 divisors (see below), whose sum is σ = 62246016. Its totient is φ = 35808000.

The previous prime is 47440073. The next prime is 47440091. The reversal of 47440075 is 57004474.

It is not a de Polignac number, because 47440075 - 2¹ = 47440073 is a prime.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47440073) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 31029 + ... + 32521.

It is an arithmetic number, because the mean of its divisors is an integer number (2593584).

Almost surely, 2^47440075 is an apocalyptic number.

47440075 is a deficient number, since it is larger than the sum of its proper divisors (14805941).

47440075 is a wasteful number, since it uses less digits than its factorization.

47440075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1575 (or 1570 counting only the distinct ones).

The product of its (nonzero) digits is 15680, while the sum is 31.

The square root of 47440075 is about 6887.6755875985. The cubic root of 47440075 is about 362.0054611876.

The spelling of 47440075 in words is "forty-seven million, four hundred forty thousand, seventy-five".