36021477 has 4 divisors (see below), whose sum is σ = 48028640. Its totient is φ = 24014316.

The previous prime is 36021457. The next prime is 36021481. The reversal of 36021477 is 77412063.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 77412063 = 3 ⋅25804021.

It is not a de Polignac number, because 36021477 - 2¹¹ = 36019429 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36021407) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6003577 + ... + 6003582.

It is an arithmetic number, because the mean of its divisors is an integer number (12007160).

Almost surely, 2^36021477 is an apocalyptic number.

It is an amenable number.

36021477 is a deficient number, since it is larger than the sum of its proper divisors (12007163).

36021477 is a wasteful number, since it uses less digits than its factorization.

36021477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12007162.

The product of its (nonzero) digits is 7056, while the sum is 30.

The square root of 36021477 is about 6001.7894831458. The cubic root of 36021477 is about 330.2583743282.

The spelling of 36021477 in words is "thirty-six million, twenty-one thousand, four hundred seventy-seven".