36418731 has 4 divisors (see below), whose sum is σ = 48558312. Its totient is φ = 24279152.

The previous prime is 36418727. The next prime is 36418741. The reversal of 36418731 is 13781463.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 36418731 - 2² = 36418727 is a prime.

It is a super-2 number, since 2×36418731² = 2652647935300722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 36418692 and 36418701.

It is not an unprimeable number, because it can be changed into a prime (36418741) 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, 6069786 + ... + 6069791.

It is an arithmetic number, because the mean of its divisors is an integer number (12139578).

Almost surely, 2^36418731 is an apocalyptic number.

36418731 is a deficient number, since it is larger than the sum of its proper divisors (12139581).

36418731 is a wasteful number, since it uses less digits than its factorization.

36418731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12139580.

The product of its digits is 12096, while the sum is 33.

The square root of 36418731 is about 6034.7933684593. The cubic root of 36418731 is about 331.4679962461.

The spelling of 36418731 in words is "thirty-six million, four hundred eighteen thousand, seven hundred thirty-one".