37421201 has 4 divisors (see below), whose sum is σ = 37672500. Its totient is φ = 37169904.

The previous prime is 37421191. The next prime is 37421213. The reversal of 37421201 is 10212473.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10212473 = 359 ⋅28447.

It can be written as a sum of positive squares in 2 ways, for example, as 18490000 + 18931201 = 4300^2 + 4351^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-37421201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (37421231) 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, 125426 + ... + 125723.

It is an arithmetic number, because the mean of its divisors is an integer number (9418125).

Almost surely, 2^37421201 is an apocalyptic number.

It is an amenable number.

37421201 is a deficient number, since it is larger than the sum of its proper divisors (251299).

37421201 is a wasteful number, since it uses less digits than its factorization.

37421201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251298.

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 37421201 is about 6117.2870620889. The cubic root of 37421201 is about 334.4818633137.

Adding to 37421201 its reverse (10212473), we get a palindrome (47633674).

The spelling of 37421201 in words is "thirty-seven million, four hundred twenty-one thousand, two hundred one".