37780242 has 8 divisors (see below), whose sum is σ = 75560496. Its totient is φ = 12593412.

The previous prime is 37780241. The next prime is 37780247. The reversal of 37780242 is 24208773.

It is a sphenic number, since it is the product of 3 distinct primes.

37780242 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (37780241) 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, 3148348 + ... + 3148359.

It is an arithmetic number, because the mean of its divisors is an integer number (9445062).

Almost surely, 2^37780242 is an apocalyptic number.

37780242 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

37780242 is a wasteful number, since it uses less digits than its factorization.

37780242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6296712.

The product of its (nonzero) digits is 18816, while the sum is 33.

The square root of 37780242 is about 6146.5634300803. The cubic root of 37780242 is about 335.5481987400.

The spelling of 37780242 in words is "thirty-seven million, seven hundred eighty thousand, two hundred forty-two".