47425643 has 8 divisors (see below), whose sum is σ = 50258880. Its totient is φ = 44672320.

The previous prime is 47425613. The next prime is 47425663. The reversal of 47425643 is 34652474.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 47425643 - 2⁶ = 47425579 is a prime.

It is a super-2 number, since 2×47425643² = 4498383227926898, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47425613) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18755 + ... + 21132.

It is an arithmetic number, because the mean of its divisors is an integer number (6282360).

Almost surely, 2^47425643 is an apocalyptic number.

47425643 is a deficient number, since it is larger than the sum of its proper divisors (2833237).

47425643 is a wasteful number, since it uses less digits than its factorization.

47425643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39957.

The product of its digits is 80640, while the sum is 35.

The square root of 47425643 is about 6886.6278395162. The cubic root of 47425643 is about 361.9687482560.

The spelling of 47425643 in words is "forty-seven million, four hundred twenty-five thousand, six hundred forty-three".