47920426 has 4 divisors (see below), whose sum is σ = 71880642. Its totient is φ = 23960212.

The previous prime is 47920409. The next prime is 47920459. The reversal of 47920426 is 62402974.

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

It can be written as a sum of positive squares in only one way, i.e., 43573201 + 4347225 = 6601^2 + 2085^2 .

It is a junction number, because it is equal to n+sod(n) for n = 47920391 and 47920400.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11980105 + ... + 11980108.

Almost surely, 2^47920426 is an apocalyptic number.

47920426 is a deficient number, since it is larger than the sum of its proper divisors (23960216).

47920426 is a wasteful number, since it uses less digits than its factorization.

47920426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23960215.

The product of its (nonzero) digits is 24192, while the sum is 34.

The square root of 47920426 is about 6922.4580894362. The cubic root of 47920426 is about 363.2231803292.

The spelling of 47920426 in words is "forty-seven million, nine hundred twenty thousand, four hundred twenty-six".