47445694 has 4 divisors (see below), whose sum is σ = 71168544. Its totient is φ = 23722846.

The previous prime is 47445689. The next prime is 47445719. The reversal of 47445694 is 49654474.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 49654474 = 2 ⋅24827237.

It is a self number, because there is not a number n which added to its sum of digits gives 47445694.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11861422 + ... + 11861425.

It is an arithmetic number, because the mean of its divisors is an integer number (17792136).

Almost surely, 2^47445694 is an apocalyptic number.

47445694 is a deficient number, since it is larger than the sum of its proper divisors (23722850).

47445694 is a wasteful number, since it uses less digits than its factorization.

47445694 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23722849.

The product of its digits is 483840, while the sum is 43.

The square root of 47445694 is about 6888.0834780075. The cubic root of 47445694 is about 362.0197531014.

The spelling of 47445694 in words is "forty-seven million, four hundred forty-five thousand, six hundred ninety-four".