47750440 has 16 divisors (see below), whose sum is σ = 107438580. Its totient is φ = 19100160.

The previous prime is 47750429. The next prime is 47750489. The reversal of 47750440 is 4405774.

It can be written as a sum of positive squares in 2 ways, for example, as 47306884 + 443556 = 6878^2 + 666^2 .

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, 596841 + ... + 596920.

Almost surely, 2^47750440 is an apocalyptic number.

47750440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

47750440 is an abundant number, since it is smaller than the sum of its proper divisors (59688140).

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

47750440 is a wasteful number, since it uses less digits than its factorization.

47750440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1193772 (or 1193768 counting only the distinct ones).

The product of its (nonzero) digits is 15680, while the sum is 31.

The square root of 47750440 is about 6910.1693177519. The cubic root of 47750440 is about 362.7931896773.

The spelling of 47750440 in words is "forty-seven million, seven hundred fifty thousand, four hundred forty".