37068721 has 8 divisors (see below), whose sum is σ = 39346560. Its totient is φ = 34801728.

The previous prime is 37068719. The next prime is 37068739. The reversal of 37068721 is 12786073.

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

It is a cyclic number.

It is not a de Polignac number, because 37068721 - 2¹ = 37068719 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (37068701) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4980 + ... + 9946.

It is an arithmetic number, because the mean of its divisors is an integer number (4918320).

Almost surely, 2^37068721 is an apocalyptic number.

It is an amenable number.

37068721 is a deficient number, since it is larger than the sum of its proper divisors (2277839).

37068721 is a wasteful number, since it uses less digits than its factorization.

37068721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5423.

The product of its (nonzero) digits is 14112, while the sum is 34.

The square root of 37068721 is about 6088.4087412065. The cubic root of 37068721 is about 333.4283581305.

The spelling of 37068721 in words is "thirty-seven million, sixty-eight thousand, seven hundred twenty-one".