36642405 has 8 divisors (see below), whose sum is σ = 58627872. Its totient is φ = 19542608.

The previous prime is 36642383. The next prime is 36642409. The reversal of 36642405 is 50424663.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 36642405 - 2¹⁸ = 36380261 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36642409) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1221399 + ... + 1221428.

It is an arithmetic number, because the mean of its divisors is an integer number (7328484).

Almost surely, 2^36642405 is an apocalyptic number.

It is an amenable number.

36642405 is a deficient number, since it is larger than the sum of its proper divisors (21985467).

36642405 is a wasteful number, since it uses less digits than its factorization.

36642405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2442835.

The product of its (nonzero) digits is 17280, while the sum is 30.

The square root of 36642405 is about 6053.2970355006. The cubic root of 36642405 is about 332.1452073236.

The spelling of 36642405 in words is "thirty-six million, six hundred forty-two thousand, four hundred five".