47740418 has 16 divisors (see below), whose sum is σ = 78605856. Its totient is φ = 21565440.

The previous prime is 47740417. The next prime is 47740423. The reversal of 47740418 is 81404774.

It is a super-3 number, since 3×47740418³ (a number of 24 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (47740417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3071 + ... + 10242.

It is an arithmetic number, because the mean of its divisors is an integer number (4912866).

Almost surely, 2^47740418 is an apocalyptic number.

47740418 is a deficient number, since it is larger than the sum of its proper divisors (30865438).

47740418 is a wasteful number, since it uses less digits than its factorization.

47740418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13489.

The product of its (nonzero) digits is 25088, while the sum is 35.

The square root of 47740418 is about 6909.4441165697. Note that the first 3 decimals coincide. The cubic root of 47740418 is about 362.7678065412.

The spelling of 47740418 in words is "forty-seven million, seven hundred forty thousand, four hundred eighteen".