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72498 = 2343281
BaseRepresentation
bin10001101100110010
310200110010
4101230302
54304443
61315350
7421236
oct215462
9120403
1072498
114a518
1235b56
1326cca
141c5c6
1516733
hex11b32

72498 has 16 divisors (see below), whose sum is σ = 148896. Its totient is φ = 23520.

The previous prime is 72497. The next prime is 72503. The reversal of 72498 is 89427.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (72493) 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, 118 + ... + 398.

It is an arithmetic number, because the mean of its divisors is an integer number (9306).

272498 is an apocalyptic number.

72498 is an abundant number, since it is smaller than the sum of its proper divisors (76398).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74448).

72498 is a wasteful number, since it uses less digits than its factorization.

72498 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329.

The product of its digits is 4032, while the sum is 30.

The square root of 72498 is about 269.2545264243. The cubic root of 72498 is about 41.6973711459.

The spelling of 72498 in words is "seventy-two thousand, four hundred ninety-eight".