37722132 has 96 divisors (see below), whose sum is σ = 114589440. Its totient is φ = 10506240.

The previous prime is 37722121. The next prime is 37722149. The reversal of 37722132 is 23122773.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 37722096 and 37722105.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 30388 + ... + 31604.

It is an arithmetic number, because the mean of its divisors is an integer number (1193640).

Almost surely, 2^37722132 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 37722132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57294720).

37722132 is an abundant number, since it is smaller than the sum of its proper divisors (76867308).

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

37722132 is a wasteful number, since it uses less digits than its factorization.

37722132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1278 (or 1270 counting only the distinct ones).

The product of its digits is 3528, while the sum is 27.

The square root of 37722132 is about 6141.8345793419. The cubic root of 37722132 is about 335.3760742787.

The spelling of 37722132 in words is "thirty-seven million, seven hundred twenty-two thousand, one hundred thirty-two".