47403743 has 4 divisors (see below), whose sum is σ = 48932928. Its totient is φ = 45874560.

The previous prime is 47403737. The next prime is 47403787. The reversal of 47403743 is 34730474.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34730474 = 2 ⋅17365237.

It is a cyclic number.

It is not a de Polignac number, because 47403743 - 2¹⁴ = 47387359 is a prime.

It is a super-2 number, since 2×47403743² = 4494229700820098, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47403703) 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, 764546 + ... + 764607.

It is an arithmetic number, because the mean of its divisors is an integer number (12233232).

Almost surely, 2^47403743 is an apocalyptic number.

47403743 is a deficient number, since it is larger than the sum of its proper divisors (1529185).

47403743 is a wasteful number, since it uses less digits than its factorization.

47403743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1529184.

The product of its (nonzero) digits is 28224, while the sum is 32.

The square root of 47403743 is about 6885.0376179074. The cubic root of 47403743 is about 361.9130235778.

The spelling of 47403743 in words is "forty-seven million, four hundred three thousand, seven hundred forty-three".