37742109 has 16 divisors (see below), whose sum is σ = 52421760. Its totient is φ = 24131520.

The previous prime is 37742093. The next prime is 37742129. The reversal of 37742109 is 90124773.

It is not a de Polignac number, because 37742109 - 2⁴ = 37742093 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 37742109.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (37742129) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5487 + ... + 10275.

It is an arithmetic number, because the mean of its divisors is an integer number (3276360).

Almost surely, 2^37742109 is an apocalyptic number.

It is an amenable number.

37742109 is a deficient number, since it is larger than the sum of its proper divisors (14679651).

37742109 is a wasteful number, since it uses less digits than its factorization.

37742109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4900.

The product of its (nonzero) digits is 10584, while the sum is 33.

The square root of 37742109 is about 6143.4606696877. The cubic root of 37742109 is about 335.4352669871.

It can be divided in two parts, 377 and 42109, that added together give a triangular number (42486 = T₂₉₁).

The spelling of 37742109 in words is "thirty-seven million, seven hundred forty-two thousand, one hundred nine".