47642402 has 4 divisors (see below), whose sum is σ = 71463606. Its totient is φ = 23821200.

The previous prime is 47642383. The next prime is 47642411. The reversal of 47642402 is 20424674.

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., 28185481 + 19456921 = 5309^2 + 4411^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11910599 + ... + 11910602.

Almost surely, 2^47642402 is an apocalyptic number.

47642402 is a deficient number, since it is larger than the sum of its proper divisors (23821204).

47642402 is a wasteful number, since it uses less digits than its factorization.

47642402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23821203.

The product of its (nonzero) digits is 10752, while the sum is 29.

The square root of 47642402 is about 6902.3475716599. The cubic root of 47642402 is about 362.5193698726.

The spelling of 47642402 in words is "forty-seven million, six hundred forty-two thousand, four hundred two".