37740133 has 4 divisors (see below), whose sum is σ = 37765728. Its totient is φ = 37714540.

The previous prime is 37740103. The next prime is 37740149. The reversal of 37740133 is 33104773.

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, and also an emirpimes, since its reverse is a distinct semiprime: 33104773 = 13 ⋅2546521.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-37740133 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 (37740103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10441 + ... + 13582.

It is an arithmetic number, because the mean of its divisors is an integer number (9441432).

Almost surely, 2^37740133 is an apocalyptic number.

It is an amenable number.

37740133 is a deficient number, since it is larger than the sum of its proper divisors (25595).

37740133 is a wasteful number, since it uses less digits than its factorization.

37740133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25594.

The product of its (nonzero) digits is 5292, while the sum is 28.

The square root of 37740133 is about 6143.2998461739. The cubic root of 37740133 is about 335.4294129453.

It can be divided in two parts, 37740 and 133, that added together give a palindrome (37873).

The spelling of 37740133 in words is "thirty-seven million, seven hundred forty thousand, one hundred thirty-three".