37004421 has 8 divisors (see below), whose sum is σ = 50930944. Its totient is φ = 23873760.

The previous prime is 37004417. The next prime is 37004437. The reversal of 37004421 is 12440073.

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

It is not a de Polignac number, because 37004421 - 2² = 37004417 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 (37004021) 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, 198856 + ... + 199041.

It is an arithmetic number, because the mean of its divisors is an integer number (6366368).

Almost surely, 2^37004421 is an apocalyptic number.

37004421 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

37004421 is a deficient number, since it is larger than the sum of its proper divisors (13926523).

37004421 is a wasteful number, since it uses less digits than its factorization.

37004421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 397931.

The product of its (nonzero) digits is 672, while the sum is 21.

The square root of 37004421 is about 6083.1259234048. The cubic root of 37004421 is about 333.2354564854.

Adding to 37004421 its reverse (12440073), we get a palindrome (49444494).

The spelling of 37004421 in words is "thirty-seven million, four thousand, four hundred twenty-one".