8172074 has 8 divisors (see below), whose sum is σ = 12286308. Its totient is φ = 4076640.

The previous prime is 8172049. The next prime is 8172077. The reversal of 8172074 is 4702718.

It can be written as a sum of positive squares in 2 ways, for example, as 7524049 + 648025 = 2743^2 + 805^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×8172074² = 133565586922952, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (8172077) 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, 3557 + ... + 5384.

Almost surely, 2^8172074 is an apocalyptic number.

8172074 is a deficient number, since it is larger than the sum of its proper divisors (4114234).

8172074 is a wasteful number, since it uses less digits than its factorization.

8172074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9400.

The product of its (nonzero) digits is 3136, while the sum is 29.

The square root of 8172074 is about 2858.6839629452. The cubic root of 8172074 is about 201.4237900571.

The spelling of 8172074 in words is "eight million, one hundred seventy-two thousand, seventy-four".