47435969 has 12 divisors (see below), whose sum is σ = 55299348. Its totient is φ = 40572000.

The previous prime is 47435957. The next prime is 47435977. The reversal of 47435969 is 96953474.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 32069569 + 15366400 = 5663^2 + 3920^2 .

It is not a de Polignac number, because 47435969 - 2²⁴ = 30658753 is a prime.

It is a super-2 number, since 2×47435969² = 4500342309937922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47437969) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33659 + ... + 35039.

It is an arithmetic number, because the mean of its divisors is an integer number (4608279).

Almost surely, 2^47435969 is an apocalyptic number.

47435969 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

It is an amenable number.

47435969 is a deficient number, since it is larger than the sum of its proper divisors (7863379).

47435969 is a wasteful number, since it uses less digits than its factorization.

47435969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2096 (or 2089 counting only the distinct ones).

The product of its digits is 816480, while the sum is 47.

The square root of 47435969 is about 6887.3775125225. The cubic root of 47435969 is about 361.9950168723.

The spelling of 47435969 in words is "forty-seven million, four hundred thirty-five thousand, nine hundred sixty-nine".