35687421 has 48 divisors (see below), whose sum is σ = 67092480. Its totient is φ = 17724960.

The previous prime is 35687419. The next prime is 35687461. The reversal of 35687421 is 12478653.

35687421 is a `hidden beast` number, since 3 + 568 + 74 + 21 = 666.

35687421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 35687421 - 2¹ = 35687419 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (35687461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 14820 + ... + 17058.

It is an arithmetic number, because the mean of its divisors is an integer number (1397760).

Almost surely, 2^35687421 is an apocalyptic number.

It is an amenable number.

35687421 is a deficient number, since it is larger than the sum of its proper divisors (31405059).

35687421 is a wasteful number, since it uses less digits than its factorization.

35687421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2286 (or 2283 counting only the distinct ones).

The product of its digits is 40320, while the sum is 36.

The square root of 35687421 is about 5973.8949605764. The cubic root of 35687421 is about 329.2342852558.

The spelling of 35687421 in words is "thirty-five million, six hundred eighty-seven thousand, four hundred twenty-one".