74470 has 16 divisors (see below), whose sum is σ = 146448. Its totient is φ = 27040.
The previous prime is 74453. The next prime is 74471. The reversal of 74470 is 7447.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (22).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (74471) 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, 229 + ... + 448.
It is an arithmetic number, because the mean of its divisors is an integer number (9153).
274470 is an apocalyptic number.
74470 is a deficient number, since it is larger than the sum of its proper divisors (71978).
74470 is a wasteful number, since it uses less digits than its factorization.
74470 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 695.
The product of its (nonzero) digits is 784, while the sum is 22.
The square root of 74470 is about 272.8919199976. The cubic root of 74470 is about 42.0720607218.
The spelling of 74470 in words is "seventy-four thousand, four hundred seventy", and thus it is an iban number.
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