47167402 has 4 divisors (see below), whose sum is σ = 70751106. Its totient is φ = 23583700.

The previous prime is 47167391. The next prime is 47167409. The reversal of 47167402 is 20476174.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 20476174 = 2 ⋅10238087.

It can be written as a sum of positive squares in only one way, i.e., 39828721 + 7338681 = 6311^2 + 2709^2 .

It is a super-2 number, since 2×47167402² = 4449527622859208, which contains 22 as substring.

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 (47167409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11791849 + ... + 11791852.

Almost surely, 2^47167402 is an apocalyptic number.

47167402 is a deficient number, since it is larger than the sum of its proper divisors (23583704).

47167402 is a wasteful number, since it uses less digits than its factorization.

47167402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23583703.

The product of its (nonzero) digits is 9408, while the sum is 31.

The square root of 47167402 is about 6867.8527939961. The cubic root of 47167402 is about 361.3105575695.

The spelling of 47167402 in words is "forty-seven million, one hundred sixty-seven thousand, four hundred two".