47967890 has 8 divisors (see below), whose sum is σ = 86342220. Its totient is φ = 19187152.

The previous prime is 47967869. The next prime is 47967901. The reversal of 47967890 is 9876974.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 41306329 + 6661561 = 6427^2 + 2581^2 .

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

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2398385 + ... + 2398404.

Almost surely, 2^47967890 is an apocalyptic number.

47967890 is a deficient number, since it is larger than the sum of its proper divisors (38374330).

47967890 is a wasteful number, since it uses less digits than its factorization.

47967890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4796796.

The product of its (nonzero) digits is 762048, while the sum is 50.

The square root of 47967890 is about 6925.8855029520. The cubic root of 47967890 is about 363.3430619584.

The spelling of 47967890 in words is "forty-seven million, nine hundred sixty-seven thousand, eight hundred ninety".