37640073 has 8 divisors (see below), whose sum is σ = 50328000. Its totient is φ = 25022768.

The previous prime is 37640059. The next prime is 37640077. The reversal of 37640073 is 37004673.

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 37640073 - 2⁹ = 37639561 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 37640073.

It is not an unprimeable number, because it can be changed into a prime (37640077) 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, 16398 + ... + 18551.

It is an arithmetic number, because the mean of its divisors is an integer number (6291000).

Almost surely, 2^37640073 is an apocalyptic number.

It is an amenable number.

37640073 is a deficient number, since it is larger than the sum of its proper divisors (12687927).

37640073 is a wasteful number, since it uses less digits than its factorization.

37640073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35311.

The product of its (nonzero) digits is 10584, while the sum is 30.

The square root of 37640073 is about 6135.1506093983. The cubic root of 37640073 is about 335.1327104701.

The spelling of 37640073 in words is "thirty-seven million, six hundred forty thousand, seventy-three".