37148421 has 4 divisors (see below), whose sum is σ = 49531232. Its totient is φ = 24765612.

The previous prime is 37148387. The next prime is 37148437. The reversal of 37148421 is 12484173.

37148421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 37148421 - 2¹⁴ = 37132037 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (37144421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6191401 + ... + 6191406.

It is an arithmetic number, because the mean of its divisors is an integer number (12382808).

Almost surely, 2^37148421 is an apocalyptic number.

It is an amenable number.

37148421 is a deficient number, since it is larger than the sum of its proper divisors (12382811).

37148421 is a wasteful number, since it uses less digits than its factorization.

37148421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12382810.

The product of its digits is 5376, while the sum is 30.

The square root of 37148421 is about 6094.9504509881. The cubic root of 37148421 is about 333.6671508083.

The spelling of 37148421 in words is "thirty-seven million, one hundred forty-eight thousand, four hundred twenty-one".