37872901 has 4 divisors (see below), whose sum is σ = 41315904. Its totient is φ = 34429900.

The previous prime is 37872883. The next prime is 37872943. The reversal of 37872901 is 10927873.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 37872901 - 2⁷ = 37872773 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 (37870901) 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, 1721485 + ... + 1721506.

It is an arithmetic number, because the mean of its divisors is an integer number (10328976).

Almost surely, 2^37872901 is an apocalyptic number.

It is an amenable number.

37872901 is a deficient number, since it is larger than the sum of its proper divisors (3443003).

37872901 is a wasteful number, since it uses less digits than its factorization.

37872901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3443002.

The product of its (nonzero) digits is 21168, while the sum is 37.

The square root of 37872901 is about 6154.0962780899. The cubic root of 37872901 is about 335.8222941870.

The spelling of 37872901 in words is "thirty-seven million, eight hundred seventy-two thousand, nine hundred one".