47239770 has 32 divisors (see below), whose sum is σ = 120045888. Its totient is φ = 11856128.

The previous prime is 47239741. The next prime is 47239783. The reversal of 47239770 is 7793274.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45804 + ... + 46823.

It is an arithmetic number, because the mean of its divisors is an integer number (3751434).

Almost surely, 2^47239770 is an apocalyptic number.

47239770 is an abundant number, since it is smaller than the sum of its proper divisors (72806118).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

47239770 is a wasteful number, since it uses less digits than its factorization.

47239770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92654.

The product of its (nonzero) digits is 74088, while the sum is 39.

The square root of 47239770 is about 6873.1193791466. The cubic root of 47239770 is about 361.4952469967.

The spelling of 47239770 in words is "forty-seven million, two hundred thirty-nine thousand, seven hundred seventy".