47635402 has 4 divisors (see below), whose sum is σ = 71453106. Its totient is φ = 23817700.

The previous prime is 47635397. The next prime is 47635403. The reversal of 47635402 is 20453674.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 44209201 + 3426201 = 6649^2 + 1851^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (47635403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11908849 + ... + 11908852.

Almost surely, 2^47635402 is an apocalyptic number.

47635402 is a deficient number, since it is larger than the sum of its proper divisors (23817704).

47635402 is a wasteful number, since it uses less digits than its factorization.

47635402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23817703.

The product of its (nonzero) digits is 20160, while the sum is 31.

The square root of 47635402 is about 6901.8404791766. The cubic root of 47635402 is about 362.5016142615.

The spelling of 47635402 in words is "forty-seven million, six hundred thirty-five thousand, four hundred two".