37740243 has 4 divisors (see below), whose sum is σ = 50320328. Its totient is φ = 25160160.

The previous prime is 37740233. The next prime is 37740257. The reversal of 37740243 is 34204773.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 37740243 - 2⁵ = 37740211 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 37740243.

It is not an unprimeable number, because it can be changed into a prime (37740233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6290038 + ... + 6290043.

It is an arithmetic number, because the mean of its divisors is an integer number (12580082).

Almost surely, 2^37740243 is an apocalyptic number.

37740243 is a deficient number, since it is larger than the sum of its proper divisors (12580085).

37740243 is a wasteful number, since it uses less digits than its factorization.

37740243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12580084.

The product of its (nonzero) digits is 14112, while the sum is 30.

The square root of 37740243 is about 6143.3087990105. The cubic root of 37740243 is about 335.4297388336.

The spelling of 37740243 in words is "thirty-seven million, seven hundred forty thousand, two hundred forty-three".