37072573 has 4 divisors (see below), whose sum is σ = 38684448. Its totient is φ = 35460700.

The previous prime is 37072571. The next prime is 37072589. The reversal of 37072573 is 37527073.

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, and also an emirpimes, since its reverse is a distinct semiprime: 37527073 = 29 ⋅1294037.

It is a cyclic number.

It is not a de Polignac number, because 37072573 - 2¹ = 37072571 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 (37072571) 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, 805903 + ... + 805948.

It is an arithmetic number, because the mean of its divisors is an integer number (9671112).

Almost surely, 2^37072573 is an apocalyptic number.

It is an amenable number.

37072573 is a deficient number, since it is larger than the sum of its proper divisors (1611875).

37072573 is a wasteful number, since it uses less digits than its factorization.

37072573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1611874.

The product of its (nonzero) digits is 30870, while the sum is 34.

The square root of 37072573 is about 6088.7250718028. The cubic root of 37072573 is about 333.4399071447.

The spelling of 37072573 in words is "thirty-seven million, seventy-two thousand, five hundred seventy-three".