37818012 has 12 divisors (see below), whose sum is σ = 88242056. Its totient is φ = 12606000.

The previous prime is 37817981. The next prime is 37818019. The reversal of 37818012 is 21081873.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (37818019) 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, 1575739 + ... + 1575762.

Almost surely, 2^37818012 is an apocalyptic number.

It is an amenable number.

37818012 is an abundant number, since it is smaller than the sum of its proper divisors (50424044).

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

37818012 is a wasteful number, since it uses less digits than its factorization.

37818012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3151508 (or 3151506 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 30.

The square root of 37818012 is about 6149.6351111265. The cubic root of 37818012 is about 335.6599805756.

Adding to 37818012 its reverse (21081873), we get a palindrome (58899885).

The spelling of 37818012 in words is "thirty-seven million, eight hundred eighteen thousand, twelve".