36420642 has 12 divisors (see below), whose sum is σ = 78911430. Its totient is φ = 12140208.

The previous prime is 36420623. The next prime is 36420653. The reversal of 36420642 is 24602463.

It can be written as a sum of positive squares in only one way, i.e., 33628401 + 2792241 = 5799^2 + 1671^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1011667 + ... + 1011702.

Almost surely, 2^36420642 is an apocalyptic number.

36420642 is an abundant number, since it is smaller than the sum of its proper divisors (42490788).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

36420642 is a wasteful number, since it uses less digits than its factorization.

36420642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2023377 (or 2023374 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

The square root of 36420642 is about 6034.9516982326. The cubic root of 36420642 is about 331.4737938512.

The spelling of 36420642 in words is "thirty-six million, four hundred twenty thousand, six hundred forty-two".