36579421 has 8 divisors (see below), whose sum is σ = 38485944. Its totient is φ = 34721280.

The previous prime is 36579409. The next prime is 36579457. The reversal of 36579421 is 12497563.

It can be written as a sum of positive squares in 4 ways, for example, as 6175225 + 30404196 = 2485^2 + 5514^2 .

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 36579421 - 2⁹ = 36578909 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36579481) 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, 10540 + ... + 13573.

It is an arithmetic number, because the mean of its divisors is an integer number (4810743).

Almost surely, 2^36579421 is an apocalyptic number.

It is an amenable number.

36579421 is a deficient number, since it is larger than the sum of its proper divisors (1906523).

36579421 is a wasteful number, since it uses less digits than its factorization.

36579421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24191.

The product of its digits is 45360, while the sum is 37.

The square root of 36579421 is about 6048.0923438717. The cubic root of 36579421 is about 331.9547919524.

The spelling of 36579421 in words is "thirty-six million, five hundred seventy-nine thousand, four hundred twenty-one".