47157435 has 24 divisors (see below), whose sum is σ = 88028304. Its totient is φ = 23215680.

The previous prime is 47157431. The next prime is 47157437. The reversal of 47157435 is 53475174.

It is a happy number.

It is not a de Polignac number, because 47157435 - 2² = 47157431 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 47157435.

It is not an unprimeable number, because it can be changed into a prime (47157431) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 39721 + ... + 40890.

It is an arithmetic number, because the mean of its divisors is an integer number (3667846).

Almost surely, 2^47157435 is an apocalyptic number.

47157435 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

47157435 is a deficient number, since it is larger than the sum of its proper divisors (40870869).

47157435 is a wasteful number, since it uses less digits than its factorization.

47157435 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80635 (or 80632 counting only the distinct ones).

The product of its digits is 58800, while the sum is 36.

The square root of 47157435 is about 6867.1271285742. The cubic root of 47157435 is about 361.2851061216.

The spelling of 47157435 in words is "forty-seven million, one hundred fifty-seven thousand, four hundred thirty-five".