74372 has 6 divisors (see below), whose sum is σ = 130158. Its totient is φ = 37184.
The previous prime is 74363. The next prime is 74377. The reversal of 74372 is 27347.
It can be written as a sum of positive squares in only one way, i.e., 65536 + 8836 = 256^2 + 94^2 .
It is an Ulam number.
It is not an unprimeable number, because it can be changed into a prime (74377) by changing a digit.
74372 is an untouchable number, because it is not equal to the sum of proper divisors of any number.
It is a pernicious number, because its binary representation contains a prime number (5) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9293 + ... + 9300.
It is an arithmetic number, because the mean of its divisors is an integer number (21693).
274372 is an apocalyptic number.
It is an amenable number.
74372 is a deficient number, since it is larger than the sum of its proper divisors (55786).
74372 is a wasteful number, since it uses less digits than its factorization.
74372 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 18597 (or 18595 counting only the distinct ones).
The product of its digits is 1176, while the sum is 23.
The square root of 74372 is about 272.7123026194. The cubic root of 74372 is about 42.0535974843.
The spelling of 74372 in words is "seventy-four thousand, three hundred seventy-two", and thus it is an iban number.
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.071 sec. • engine limits •