36421474 has 4 divisors (see below), whose sum is σ = 54632214. Its totient is φ = 18210736.

The previous prime is 36421471. The next prime is 36421487. The reversal of 36421474 is 47412463.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 47412463 = 7 ⋅6773209.

It can be written as a sum of positive squares in only one way, i.e., 34304449 + 2117025 = 5857^2 + 1455^2 .

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 (36421471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9105367 + ... + 9105370.

Almost surely, 2^36421474 is an apocalyptic number.

36421474 is a deficient number, since it is larger than the sum of its proper divisors (18210740).

36421474 is a wasteful number, since it uses less digits than its factorization.

36421474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18210739.

The product of its digits is 16128, while the sum is 31.

The square root of 36421474 is about 6035.0206296251. The cubic root of 36421474 is about 331.4763179152.

The spelling of 36421474 in words is "thirty-six million, four hundred twenty-one thousand, four hundred seventy-four".