37221742 has 8 divisors (see below), whose sum is σ = 55858536. Its totient is φ = 18602232.

The previous prime is 37221707. The next prime is 37221763. The reversal of 37221742 is 24712273.

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

It is a self number, because there is not a number n which added to its sum of digits gives 37221742.

It is a congruent number.

It is an unprimeable number.

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, 5913 + ... + 10459.

It is an arithmetic number, because the mean of its divisors is an integer number (6982317).

Almost surely, 2^37221742 is an apocalyptic number.

37221742 is a deficient number, since it is larger than the sum of its proper divisors (18636794).

37221742 is a wasteful number, since it uses less digits than its factorization.

37221742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8642.

The product of its digits is 4704, while the sum is 28.

The square root of 37221742 is about 6100.9623830999. The cubic root of 37221742 is about 333.8865296359.

The spelling of 37221742 in words is "thirty-seven million, two hundred twenty-one thousand, seven hundred forty-two".