37421005 has 8 divisors (see below), whose sum is σ = 45350424. Its totient is φ = 29640000.

The previous prime is 37420997. The next prime is 37421009. The reversal of 37421005 is 50012473.

It can be written as a sum of positive squares in 4 ways, for example, as 11634921 + 25786084 = 3411^2 + 5078^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 37421005 - 2³ = 37420997 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 (37421009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36546 + ... + 37555.

It is an arithmetic number, because the mean of its divisors is an integer number (5668803).

Almost surely, 2^37421005 is an apocalyptic number.

It is an amenable number.

37421005 is a deficient number, since it is larger than the sum of its proper divisors (7929419).

37421005 is a wasteful number, since it uses less digits than its factorization.

37421005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74207.

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 37421005 is about 6117.2710418944. The cubic root of 37421005 is about 334.4812793439.

Adding to 37421005 its reverse (50012473), we get a palindrome (87433478).

The spelling of 37421005 in words is "thirty-seven million, four hundred twenty-one thousand, five".