37700421 has 16 divisors (see below), whose sum is σ = 54939648. Its totient is φ = 22806000.

The previous prime is 37700419. The next prime is 37700471. The reversal of 37700421 is 12400773.

37700421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 37700421 - 2¹ = 37700419 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 37700391 and 37700400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (37700401) 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 15 ways as a sum of consecutive naturals, for example, 34140 + ... + 35226.

It is an arithmetic number, because the mean of its divisors is an integer number (3433728).

Almost surely, 2^37700421 is an apocalyptic number.

It is an amenable number.

37700421 is a deficient number, since it is larger than the sum of its proper divisors (17239227).

37700421 is a wasteful number, since it uses less digits than its factorization.

37700421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2152.

The product of its (nonzero) digits is 1176, while the sum is 24.

The square root of 37700421 is about 6140.0668563135. The cubic root of 37700421 is about 335.3117199511.

The spelling of 37700421 in words is "thirty-seven million, seven hundred thousand, four hundred twenty-one".