47235490 has 16 divisors (see below), whose sum is σ = 87956280. Its totient is φ = 18242560.

The previous prime is 47235481. The next prime is 47235493. The reversal of 47235490 is 9453274.

It can be written as a sum of positive squares in 4 ways, for example, as 42863209 + 4372281 = 6547^2 + 2091^2 .

It is not an unprimeable number, because it can be changed into a prime (47235493) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81151 + ... + 81730.

Almost surely, 2^47235490 is an apocalyptic number.

47235490 is a deficient number, since it is larger than the sum of its proper divisors (40720790).

47235490 is a wasteful number, since it uses less digits than its factorization.

47235490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162917.

The product of its (nonzero) digits is 30240, while the sum is 34.

The square root of 47235490 is about 6872.8080141962. The cubic root of 47235490 is about 361.4843293145.

The spelling of 47235490 in words is "forty-seven million, two hundred thirty-five thousand, four hundred ninety".