47142373 has 4 divisors (see below), whose sum is σ = 47386828. Its totient is φ = 46897920.

The previous prime is 47142323. The next prime is 47142397. The reversal of 47142373 is 37324174.

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 33907329 + 13235044 = 5823^2 + 3638^2 .

It is a cyclic number.

It is not a de Polignac number, because 47142373 - 2²⁵ = 13587941 is a prime.

It is a super-2 number, since 2×47142373² = 4444806664142258, 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 (47142323) 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, 121938 + ... + 122323.

It is an arithmetic number, because the mean of its divisors is an integer number (11846707).

Almost surely, 2^47142373 is an apocalyptic number.

It is an amenable number.

47142373 is a deficient number, since it is larger than the sum of its proper divisors (244455).

47142373 is a wasteful number, since it uses less digits than its factorization.

47142373 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244454.

The product of its digits is 14112, while the sum is 31.

The square root of 47142373 is about 6866.0303669588. The cubic root of 47142373 is about 361.2466374212.

The spelling of 47142373 in words is "forty-seven million, one hundred forty-two thousand, three hundred seventy-three".