37816812 has 144 divisors (see below), whose sum is σ = 112039200. Its totient is φ = 10644480.

The previous prime is 37816799. The next prime is 37816829. The reversal of 37816812 is 21861873.

It is a super-2 number, since 2×37816812² = 2860222539686688, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 424864 + ... + 424952.

It is an arithmetic number, because the mean of its divisors is an integer number (778050).

Almost surely, 2^37816812 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 37816812, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56019600).

37816812 is an abundant number, since it is smaller than the sum of its proper divisors (74222388).

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

37816812 is a wasteful number, since it uses less digits than its factorization.

37816812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176 (or 171 counting only the distinct ones).

The product of its digits is 16128, while the sum is 36.

The square root of 37816812 is about 6149.5375435881. The cubic root of 37816812 is about 335.6564302723.

The spelling of 37816812 in words is "thirty-seven million, eight hundred sixteen thousand, eight hundred twelve".