37396021 has 8 divisors (see below), whose sum is σ = 40333664. Its totient is φ = 34467120.

The previous prime is 37396019. The next prime is 37396027. The reversal of 37396021 is 12069373.

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 37396021 - 2¹ = 37396019 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (37396027) 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, 8770 + ... + 12316.

It is an arithmetic number, because the mean of its divisors is an integer number (5041708).

Almost surely, 2^37396021 is an apocalyptic number.

It is an amenable number.

37396021 is a deficient number, since it is larger than the sum of its proper divisors (2937643).

37396021 is a wasteful number, since it uses less digits than its factorization.

37396021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4371.

The product of its (nonzero) digits is 6804, while the sum is 31.

The square root of 37396021 is about 6115.2286138786. The cubic root of 37396021 is about 334.4068243620.

The spelling of 37396021 in words is "thirty-seven million, three hundred ninety-six thousand, twenty-one".