37920413 has 4 divisors (see below), whose sum is σ = 37935900. Its totient is φ = 37904928.

The previous prime is 37920403. The next prime is 37920433. The reversal of 37920413 is 31402973.

37920413 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.

It can be written as a sum of positive squares in 2 ways, for example, as 2553604 + 35366809 = 1598^2 + 5947^2 .

It is a cyclic number.

It is not a de Polignac number, because 37920413 - 2¹⁰ = 37919389 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 (37920403) 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, 3170 + ... + 9267.

It is an arithmetic number, because the mean of its divisors is an integer number (9483975).

Almost surely, 2^37920413 is an apocalyptic number.

It is an amenable number.

37920413 is a deficient number, since it is larger than the sum of its proper divisors (15487).

37920413 is a wasteful number, since it uses less digits than its factorization.

37920413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15486.

The product of its (nonzero) digits is 4536, while the sum is 29.

The square root of 37920413 is about 6157.9552612860. The cubic root of 37920413 is about 335.9626665105.

The spelling of 37920413 in words is "thirty-seven million, nine hundred twenty thousand, four hundred thirteen".