47440693 has 4 divisors (see below), whose sum is σ = 50231340. Its totient is φ = 44650048.

The previous prime is 47440691. The next prime is 47440699. The reversal of 47440693 is 39604474.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 31102929 + 16337764 = 5577^2 + 4042^2 .

It is a cyclic number.

It is not a de Polignac number, because 47440693 - 2¹ = 47440691 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47440691) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1395298 + ... + 1395331.

It is an arithmetic number, because the mean of its divisors is an integer number (12557835).

Almost surely, 2^47440693 is an apocalyptic number.

It is an amenable number.

47440693 is a deficient number, since it is larger than the sum of its proper divisors (2790647).

47440693 is a wasteful number, since it uses less digits than its factorization.

47440693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2790646.

The product of its (nonzero) digits is 72576, while the sum is 37.

The square root of 47440693 is about 6887.7204501925. The cubic root of 47440693 is about 362.0070331244.

The spelling of 47440693 in words is "forty-seven million, four hundred forty thousand, six hundred ninety-three".